a.
1. You touch a shopping cart in the grocery store parking lot. What type of heat
transfer is happening between your hand and the handle?
Conduction
b. Convection
C. Radiation
d. Thermal Equilibrium

Answers

Answer 1
The answer is conduction
Answer 2

The transfer of energy between systems through work is the expansion of gas in a steam engine. By doing work or by transferring heat, energy can be transferred. Therefore, option A is correct option.

What is energy transfer?

Energy transfer is a phenomenon in which energy transfer from one matter to another matter. Energy requirement is necessary to move any object so work has to be done by the gas to the piston.

Heat can be transferred by three ways radiation, convention or conduction. In conduction, direct contact of two body is necessary for transfer of molecules. When we touch a shopping cart in the grocery store parking lot, then conduction is the process by which heat is transferred between our hand and the handle.

Therefore, the option A is correct option that is conduction.

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Related Questions

In a chemical reaction
1 point
The atoms of the reactants unbond, rearrange and then rebond to form the products
Some atoms disappear while others multiply to form the products
The atoms of the reactants always stay together to form the products
New atoms are formed which combine to make the products

Answers

Answer:

A) The atoms of the reactants unbond, rearrange and then rebond to form the products

Explanation:

Using method of elimination:

A) The atoms of the reactants unbond, rearrange and then rebond to form the products

This is the correct option. Chemical reactions involves breaking and forming of new bonds.

B) Some atoms disappear while others multiply to form the products

This option is incorrect. Atoms do not disappear

C) The atoms of the reactants always stay together to form the products

This option is incorrect. The bonds between the atoms in the reactants must first be broken before products can be formed.

D) New atoms are formed which combine to make the products

This option is incorrect. Atoms do not just form out of nowhere.

HELP PLEASE!!!!!
show work

Answers

I’m not sure how to show the work
You should download the app chem balance
It’s great for this kind of homework

Hi all!

This is the 2nd one pls help me, its easy.....

Thanks

Answers

Answer:

7. Concave and convex mirrors are called spherical mirrors because they are both made from the sphere. The difference between the two (in the simplest terms) is that diminished images form in convex mirrors while enlarged images form in concave mirrors.

8. The word ambulance is written inverted on an ambulance is because when a driver is driving and sees an ambulance in their rearview mirror, they can see the word ambulance the correct way. Otherwise the word ambulance would be backwards in the mirror. Thats why they write it backwards.

9. A plane mirror forms the image, object, etc, the same exact size that it is. The mirror can be small or large the size of the image will stay the same. So the difference between the object in a small and large plane mirror is none, there is no difference.

10. Car rearview mirrors are curved. This is to give a wider viewing angle. Flat surface mirrors give an accurate reflection. since the rearview mirrors are not flat, they are curved, they are less accurate, so thats why they have a warning label.

11. The sun emits the color of white. And as we know the color white consists of all colors. We can test this by putting the sunlight through a prism. since different colors of light travels at different speeds in the glass we cand see the light 'bent' .

12. Solar cookers use concave mirrors. This is because the mirror reflects the sunlight to a focal, 'center,' point. This center point will eventually heat up very, very hot.

If you have any questions feel free to ask - mark

Magnesium hydroxide is 54.87% oxygen by mass.
How many grams of oxygen are in 175 g of the com-
pound? How many moles of oxygen is this?​

Answers

Answer:

hhmxui

Explanation:

lithium reacts with bromine

Answers

2Li + Br2 → 2LiBr
Lithium react with bromine to produce lithium bromide. The reaction proceeds at room temperature.
:)

Convert 15oc to K
(l’ll mark you as brainlister)

Answers

15+273.15=288.15K.......

Answer:

15oC to K

oC +273

15+273

288K

Sedimentary
Weathering
erosion, transport
deposition
Heat and/or
pressure
Igneous
Metamorphic
The
Rock
Cycle
Intrusion or
eruption
Burial and
extreme heat
Magma
Look at the diagram above.
Which sentence BEST describes a process in the rock cycle?
Igneous rocks can become metamorphic and sedimentary rocks.
Metamorphic rocks can form by the weathering process,
Volcanoes can deposit sedimentary rock to form mountains.
O Sedimentary rocks can melt to become metamorphic rocks.

Answers

Answer:

I am confident that it is the last answer but if you can find a more verified answer I would go for that.

Is the following a physical or chemical change?
Electrolysis of water makes hydrogen and oxygen.
P.s. what is electrolysis?

Answers

Answer:

chemical change

Explanation:

electrolysis process by which electric current is passed through a substance to effect a chemical change.

What is the mass of 0.25 moles of sulphur dioxide ​

Answers

Answer:

this is the answer okkkkkkkkkkkkkkkk

Which could cause topsoil to be lost?

wind and water erosion
lack of use
compaction
desertification

Answers

Answer: A. Wind and Water Erosion

Wind and Erosion lead to Washing away of top soil.

What Is Erosion?

Erosion is the process that lead to the washing away of top soil leading to loss of nutrient, holes and many more.

The agents of erosion include wind, water and so on.

Strong wind will lead to the top soil to be remove when it is blowing. Water also when is is flowing turbulently maybe when rain fall can lead to loss of top soil.

Therefore, Wind and Erosion lead to Washing away of top soil.

Learn more about Erosion from the link below.

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Please help me, I am confused

Answers

Answer:

B

Explanation:

Ionic compound can conduct electricity

Describe the motion of water molecules in a wave.

Lesson 2.13

Question 5 options:

Water molecules move up and forward, down and back, in an overall circular motion.


All of the choices


none of the choices


Water molecules don't move

Answers

Answer:

Molecules in the water move in a circular motion

Explanation:

Because of its circular motion it causes the waves to look like open circles which makes it easy for people to surf on

Water molecules move up and forward, down and back, in an overall circular motion in the wave. Therefore, option A is correct.

What is circular motion ?

Circular motion is defined as the movement of an object while rotating in a circle. Circular motion can be uniform or asymmetric.

The angular rate of rotation and speed are constant in uniform circular motion, but the rate of rotation changes in non-uniform circular motion.

This means that circular motion can occur only if there is a "center seeking" force present; otherwise, things will travel in a straight line.

Within the wave, the water molecules move in a circular motion. Each water particle moves in a complete circle during a single wave period. The circle traced by a water particle on the ocean surface as a wave passes a given point has a diameter equal to the height of the wave.

Thus, option A is correct.

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how many atoms in 10.0 g of Ar?

Answers

Answer:

1.51 x 10^23 atoms of Ar

Explanation:

Start out with what you're given.

10.0 g of Ar/1 * 1 mol/39.948 g Ar * 6.022*10^23 atoms/1 mol

(It's easier if you write it out.)

You always want to start out w/ what you're given and continue your unit conversions from there. Since you started out with grams of Argon, you want grams of Argon on the bottom to cancel it out. Once you found the unit conversion: 1 mol/39.948 g Ar (molar mass of Ar), now it's time to convert to atoms. Since 1 mol is up on top, put 1 mol on the bottom. Considering you're looking for atoms, use Avagradro's number: 6.022*10^23.

Once simplified, you should get 1.51 x 10^23 atoms of Ar.

***I hope this helps! I also suggest using a mole map, if you're interested.***

Hey. Answers to this?:
I set off on a journey from the Earth to our nearest galaxy - ________. It will take me around 2 million ______ ______ before I reach my destination. As my space shuttle ascended it went through the Earth’s atmosphere in a great display of glowing lights. I reached the _______ __________ zone and started to float in my cockpit. The spacecraft went farther away, making the Earth look much smaller. I saw the bright light of our ________ _________ - the Moon. I speeded up, crossing the orbit of our ________ _______ - Mars. It took a great deal of skill to safely manoeuvre my spacecraft through the area of giant, rocky pieces of cosmic rubble, known as an _____ ______. As I accelerated, I entered the region of our ________ _______. I went zooming past Jupiter, Saturn and ________. I took a glimpse of our poor demoted dwarf planet - _______. Eventually, I was far enough to reach the outer edges of our ______ _______, with our star _________ in the centre. From that point on I accelerated rapidly, zooming out of our galaxy - ________ _____. What a spectacular view it was to see all the ____ ______ stars spinning in a giant whirlpool of light. Soon I reached the outer edges of our galaxy and went zooming away through the unknown towards Andromeda.

Missing words: the Sun, natural satellite, Uranus, asteroid belt, the Milky Way, outer planets, light years, Pluto, 400 billion, the Andromeda, inner planet, Solar System, zero gravity,

Answers

Milky Way
Light years
Zero gravity
Natural satellite
Inner planets
Asteroid belt
Outer planets
Uranus
Pluto
Solar system
The sun
The andromeda
400 billion

Think this is correct

Determine the percent yield for the reaction between 98.7 g of
Sb2S3 and excess oxygen gas if 72.4 g of Sb4O6 is recovered along with an unknown amount of sulfur dioxide.

Answers

Convert 98.7 g Sb2S3 to mols.
Convert mols Sb2S3 to mols Sb4O6 using the coefficients in the balanced equation.
Convert mols Sb4O6 to grams Sb4O6. (This is the theoretical yield.)
Convert grams Sb4O6 to percent Sb4O6.
%Sb4O6 = [72.4/theoretical yield]*100


So basically your answer is 85.5%

The percent yield of the reaction would be 85.64%

Percent Yield

From the balanced equation of the reaction:

[tex]9 O_2 + 2 Sb_2S_3 ---> 6 SO_2 + Sb_4O_6[/tex]

Mole ratio of Sb2S3 to Sb4O6 is 2:1

Mole of 98.7g Sb2S3 = 98.7/339.7

                                   = 0.29 moles

Equivalent mole of Sb4O6 = 0.29/2

                                            = 0.145 moles

Mass of 0.145 Sb4O6 = 0.145 x 583

                                     = 84.535 g

Percent yield = yield/theoretical yield x 100

                       = 72.4/84.535 x 100

                        = 85.64%

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How many kilograms of water must be added to 6.07 grams of oxalic acid (H2C2O4) to make a 0.025 m solution?

Answers

This dilution problem uses the equation
M
a
V
a
=
M
b
V
b

M
a
= 6.77M - the initial molarity (concentration)
V
a
= 15.00 mL - the initial volume
M
b
= 1.50 M - the desired molarity (concentration)
V
b
= (15.00 + x mL) - the volume of the desired solution
(6.77 M) (15.00 mL) = (1.50 M)(15.00 mL + x )
101.55 M mL= 22.5 M mL + 1.50x M
101.55 M mL - 22.5 M mL = 1.50x M
79.05 M mL = 1.50 M
79.05 M mL / 1.50 M = x
52.7 mL = x
59.7 mL needs to be added to the original 15.00 mL solution in order to dilute it from 6.77 M to 1.50 M.
I hope this was helpful.

If the Moon is in the position shown, what is the view from Earth?

Answers

Answer:

When the Moon is in the position shown below, how would the Moon look to an observer on the North Pole ... The moon's rotational period is equal to its revolutional period around Earth.

Explanation:


1. Place the following in order from largest amount of water found on Earth to the smallest:

glaciers and ice caps, ground water, ocean

Answers

Answer:

ocean, glaciers and ice caps,

ground water

Explanation:

Please help me on this.

Answers

Answer is Scandium hope this helps!

What does steel classify as?
A. Compound
B. Mixture
C. Element
D. Electrons​

Answers

it’s C. Element because Steel is classified into four groups Carbon,Alloy, Stainless, and Tool. Carbon Steels only contain trace amounts of elements besides carbon and iron.
it’s is c because it is c

How do nuclear reactions
produce energy?

Answers

nuclear energy originates from the splitting of urinal atoms a process called fish and degeneracy to produce steam which is used by a turbine generator to generate electricity.

word equation for HgO → Hg +O2

Answers

I hope this one is helping you

what is electron cloud?

Answers

It’s a group of electrons circulating around a nucleus or a molecule. It usually refers to the valence electrons Lewis structure


Calculate the percent by mass of benzene in a solution containing 14.2 g of benzene in 28.0 g of
carbon tetrachloride

Answers

Answer:

33.65%

Explanation:

total weight of solution=14.2+28=42.2g

benzene=14.2/42.2*100=33.65%

A tank 20.0cm by 50.0cm by 30.0cm will hold how many liters of water?

Answers

Answer:

30,000 cm^3

Explanation:

volume for rectangular prism is v=l×w×h

plug in known values and solve.

v=(30.0cm)(20.0cm)(50.0cm)=30,000cm^3

What is the missing word. Please Help Me. Thank you!!
Before adding to the cell, aluminium oxide is mixed with _____________ to lower its melting point.

Answers

Calcium Floride (Caf2)
Hope this helped =D
mixed with CRYOLITE to lower its melting point

What is the density of a sample with a mass of 5250g and a volume of 4.5mL

Answers

Answer:

1166.67

Explanation:

density=mass/volume

density= 5250/4.5

density=1166.67g/mL

SOMEBODY PLEASE HELP ME
Scenario
On Halloween, children prepared to go trick-or-treating with glow sticks. They prepared two glow sticks (“Glow Stick In” and “Glow Stick Out”) following the directions below. The light intensity was given a value of 10 for both Glow Stick In and Glow Stick Out. At 6:00, the children left Glow Stick In inside of the 25oC house and took Glow Stick Out outside in 10oC weather. At 8:00, they noticed the light intensity of Glow Stick Out at 10oC had decreased to 5. They immediately returned home and noticed the light intensity of Glow Stick In at 25oC had decreased to 7. At 9:00, both glow sticks were at 25oC. Glow Stick In had a light intensity of 6, and Glow Stick Out had a light intensity of 8.

Using at least two scientific principles, write a scientific explanation that includes evidence that justifies or describes the change in light intensity of both glow sticks. Please use claim evidence reasoning.

Answers

Answer:

look out for a bot with a link he will get yo ip

Explanation:

Answer: It will become solid again and the form of it will change, because when you heat up something you add energy to it. The particles move further and further apart.  

Explanation:

What’s the answer? I need an answer as soon as possible please!

Answers

Answer:

1, 1, 2

Explanation:

1, 1, 2

N2O5 + H2O → 2HNO3

The coefficients for the N2O5 and H2O are technically 1; if you must provide a value for those reactants, then that would be it.

A student pushes a box with a force of 20 N to the right and another student pushes the box with a force of 5 N to the left.

What is the net force and direction in which the box moved?

Answers

The net force is 15 and the box moves to the right

The net force acting on the box is 15 N which is the difference of the two acting forces and the  box shifts to the right in the direction in which greater amount of force is applied.

What is force?

Force is defined as a cause which is capable of changing the motion of an object. It can cause an object which has mass to change it's velocity. It is also simply a push or a pull . It has both magnitude as well as direction.Hence, it is a vector quantity.

It has SI units of Newton and is represented by'F'.Newton's second law states that force which acts on an object is equal to momentum which changes with time. If mass of object is constant, acceleration is directly proportional to net force acting on an object.

The concepts which related to force are thrust and torque .Thrust increases the velocity of an object and torque produces change in rotational speed of an object.

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