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

Answers

Answer 1

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:


Related Questions

please help! brainliest to correct answer!!
If 80mg of a radioactive element decays to 10mg in 30 days, what is the elements
half life in minutes?

Answers

Answer: 10 minutes

Explanation:

ln(No/N) = kt

No = 80 mg

N = 10 mg

t = 30 min

solve for k, then

k = 0.693/t1/2

Substitute k from above and solve for t1/2

10 min is correct.

Explain what a convection current is and how it causes winds in the atmosphere.

Answers

It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth. In the atmosphere, as air warms it rises, allowing cooler air to flow in underneath. Along with the turning of the Earth, this movement of air creates winds.

Waste water from nuclear power plants is generally

Answers

Answer:

waste water from nuclear power plant is

generally very harmful for our environment

and for everyone

hope it will help

Pleade help me! (If you guys unfortunately I am going to report you) Thank you

Answers

2nd option I think


Sorry if I’m wrong

How many moles of MgO are produced if 0.37 moles of O2 react with excess of Mg?

Answers

Answer:

yez so the answer is mg 1.0

Explanation:

The excess reactant is present in an amount that is greater than required. The amount of MgO that is produced in the reaction is 0.74 moles.

What is an excess reactant?

An excess reactant is that reantant thatis present in an amount that is more than required.

Now we are told that the magnessium is the reactant in excess so we have to use the amount of oxygen.

The reaction is: 2Mg + O2 ---->2MgO

1 mole of O2 produces 2 mole of MgO

0.37 moles of O2 produces 0.37 moles  * 2 moles/1 mole

= 0.74 moles

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*specific heat of tin: 230 | specific heat of carbon: 709*

Which will provide more thermal energy and why?

2 kg of tin at 50 C
or
2 kg of carbon at 50 C

Answers

Answer:

tin

Explanation:

since it takes less heat to change it will warm up and produce thermal energy sooner than carbon

2 kg of carbon at 50°C will provide more thermal energy than 2 kg of tin at the same temperature.

To determine which substance will provide more thermal energy, we need to calculate the thermal energy for both scenarios using the formula:

Thermal energy = mass * specific heat * temperature change

For 2 kg of tin at 50°C:

Thermal energy = 2 kg * 230 J/kg°C * (50°C - 0°C) = 23,000 J

For 2 kg of carbon at 50°C:

Thermal energy = 2 kg * 709 J/kg°C * (50°C - 0°C) = 70,900 J

Therefore, 2 kg of carbon at 50°C will provide more thermal energy than 2 kg of tin at the same temperature. This is because carbon has a higher specific heat (709 J/kg°C) compared to tin (230 J/kg°C), meaning it requires more energy to raise the temperature of carbon compared to tin. As a result, carbon can store and release more thermal energy than tin at the same temperature and mass.

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5.2 X 1026 molecules of CH4

Answers

Answer above

I cant send this with no text

Have a nice day

What causes the high luster of a metal?
a
excitation of electrons into empty orbitals
b mobility of electrons
C easily ionizable metal atoms
d their low melting points

Answers

Answer:

When light is shone on to the surface of a metal, its electrons absorb small amounts of energy and become excited into one of its many empty orbitals. The electrons immediately fall back down to lower energy levels and emit light. This process is responsible for the high luster of metals.

Explanation:

Your well-wisher :-)

What is the mass in grams of 0.250 mol CH2Cl2?

Answers

Answer:

21.2 grams CH2Cl2

Explanation:

Number of moles: .25

Molar mass of CH2Cl2: 84.93 g/mol

Mass in grams: 84.93(0.250) = 21.2325

Considering the definition of molar mass, the mass of 0.250 moles of CH₂Cl₂ is 21.225 grams.

Definition of molar mass

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.

Molar mass of CH₂Cl₂

In this case, you know the molar mass of the elements is:

C= 12 g/moleCl= 35.45 g/moleH= 1 g/mole

So, the molar mass of the compound CH₂Cl₂ is calculated as:

CH₂Cl₂= 12 g/mole + 2× 1 g/mole + 2× 35.45 g/mole

Solving:

CH₂Cl₂= 84.9 g/mole

Mass of 0.250 mol CH₂Cl₂

Next, you can apply the following rule of three: If by definition of molar mass 1 mole of the compound contains 84.9 grams, 0.250 moles of the compound contains how much mass?

[tex]mass=\frac{0.250 molesx84.9 grams}{1 mole}[/tex]

mass= 21.225 grams

The mass of 0.250 moles of CH₂Cl₂ is 21.225 grams.

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How many moles of NaNO, would you need to make 500 mL of a 2.5 M
solution of NaNO?

Answers

Answer:

1.25 moles NaNO

Explanation:

Molarity = moles/Volume (L)

moles = Molarity (M) x Volume (L)

M = 2.5 M

V = 500 mL = 0.5L

moles = M x V = 2.5 x 0.5 = 1.25 moles

determine the volume in liters of metal sample weighting 352.2g and has a density of 7.10gmL.

Answers

Answer:

V = 0.0496 L

Explanation:

Given that,

The mass of a sample, m = 352.2 g

The density pf sample, d = 7.10 g/mL

We need to find the volume of the sample. We know that the density of an object is given by :

[tex]d=\dfrac{m}{V}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{352.2}{7.1}\\\\V=49.6\ mL[/tex]

or

V = 0.0496 L

So, the volume of the sample is 0.0496 L.

If the pOH of a cesium hydroxide solution is known to be 4.00. what is the (OH)? *Please round your answer to the appropriate number of significant figures. Your answer can be in standard notation o "e" in place of x10.* 1​

Answers

Answer:

i going to be aniston i would say take a gess

The acidity or alkalinity of a solution depends upon its hydronium ion concentration and hydroxide ion concentration. The concentration of OH⁻ is 1 × 10⁻⁴ M.

What is pOH?

The pOH expresses the hydroxide ion concentration of a solution. The pOH of a solution is defined as the negative logarithm to the base 10 of the value of the hydroxide ion concentration in moles per litre.

The equation used to calculate the concentration of OH⁻ is:

pOH = -log [OH⁻]

[OH⁻] = 10⁻pOH

[OH⁻] = 10⁻⁴

= 0.0001 M

The number of significant figures in a reported value is the number of digits that are known with certainty plus the last one having some uncertainty.

Here 0.0001 contains 3 significant figures. In scientific notation it can be represented as 1 × 10⁻⁴ M.

Thus the concentration of [OH⁻] is 1 × 10⁻⁴ M.

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What does Boyle's Law describe?

Answers

Answer: Image result for What does Boyle's Law describe?

This empirical relation, formulated by the physicist Robert Boyle in 1662, states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form, pv = k, a constant.

Explanation:

3) A child has a toy balloon with a volume of 1.8 liters. The temperature of the balloon when it was filled was 22° C and the pressure was 1.0 atm. If the child were to let go of the balloon and it rose into the sky where the pressure is 0.86 atm and the temperature is 8° C, what would the new volume of the balloon be?​

Answers

This is a combined gas law problem, according to which

[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]

where P is the pressure of the gas, V is the volume of the gas, and T is the temperature of the gas, and the subscripts 1 and 2 correspond to the initial and final conditions of the gas. In this problem, we are given the initial pressure, volume, and temperature of the gas in the balloon:

P₁ = 1.0 atm

V₁ = 1.8 L

T₁ = 295.15 K (K = °C + 273.15).

Moreover, we are given the final pressure and temperature of the gas in the balloon.

P₂ = 0.86 atm

T₂ = 281.15 K.

What we want to find is the final volume, V₂, which we can obtain by rearranging the combined gas equation to solve for V₂:

[tex]V_2=\frac{P_1V_1T_2}{T_1P_2} = \frac{(1.0 \text{ atm})(1.8 \text{ L})(281.15 \text{ K})}{(295.15 \text{ K})(0.86 \text{ atm})} \\ V_2 = 1.99 \text{ L}[/tex]

This answer has three significant figures. However, the question as written would warrant an answer that comprises one significant figure (as 8 °C has only one sig fig). In that case, the answer would be 2 L. If the answer is to be given to two significant figures, the volume would then be 2.0 L.

When people say that something "adapts" to a situation or environment, changing so that they are comfortable or better suited to survive. Why is this statement incorrect in a scientific sense? Explain your understanding of scientific adaptation and why this statement presents a misconception.

Answers

I think organisms or living things adapt to their surroundings as they develop to survive. This means not only from predators but for climatic conditions, their diet etc.

Pls, answer asap!
When two objects of different temperatures are placed in contact with one another, eventually: (choose one option from below)
a) both their average kinetic energy and temperature will be the same
b) their average kinetic energy will be the same
c) neither their average kinetic energy and temperature will be the same
d) their temperature will be the same

Answers

Answer:

a) both their average kinetic energy and temperature will be the same

Explanation:

Temperature is the measure of the average kinetic energy of a system. As temperature increases, so will kinetic energy. As kinetic energy increases, speed increases. As one decreases, so does the other. When two objects are in contact with each other, their molecules will exchange energy and cause an eventual equilibrium of temperature and kinetic energy.

What is the vapor pressure of propanone
at 50°C?

Answers

Answer: If we work it out with direct proportions, the vapor pressure of propanone is 56 degrees Celsius. The atmospheric pressure is about 101.

Explanation: hope this helps.

The vapor pressure of propanone at 50°C is :

- 78° vapor pressure

Propanone

When the vapor pressure is specifically work through the extents to a temperature rate it response is intensely subordinate on their possess a mass nature.

The vapor weight of propanone is calculated and shape in degree Celsius in rate.

The rate of vapor when it is calculated by 50°C with propanone its at long last gives us a 78° vapor pressure.

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what is the formula for carbon decabromide?

Answers

Answer:

CBr4

Explanation:

Answer:

CBr4

Explanation:

It is CBr4 I hope it helps

The term "para" in Paralympics means?

Answers

Answer:

It means beside or alongside.

Answer:

The word Paralympics means “parallel with the Olympics”, with the para prefix coming from the Greek word for alongside. The name was chosen to embody the spirit of the two movements existing side-by-side.

Explanation:

For the reaction ?H2 + ?O2 → ?H2O,
What is the maximum amount of H2O which could be formed from 15.52 mol of H2 and 17.95 mol of O2? Answer in units of g.

Answers

Explanation:

H2O, what is the maximum amount of H2O which could be formed from 10.9 g of H2 and 16.03 g ofO2? Answer in units of g. ... 0.500 mol O2 x 2 mol H2O / 1 mol O2 x 18 g H2O/mol H2O = answer in ..

The reaction 2NoBr(g) ---> 2NO(g)+Br2(g) is a second order reaction with a rate constant of 0.80M^-1 s^-1 at 11 C. If the initial concentration of NOBr is 0.0440 M, the concentration of NOBr after 12 seconds is _________.

Answers

Answer:

noe  sory opwqkfj

s

Explanation:

Match “the same” or “different” to each sentence.

Answers

Answer:

different , same, same, same

Someone help with this question

Answers

Answer:

the answer is D the dominant over powers the resecive traits

If I have 0.275 moles of gas at a temperature of 75 K and a pressure of 1530 mmHg, what is the volume of the gas?

Answers

Answer: The volume of the gas is 0.84 Liters

Explanation:

According to ideal gas equation:

[tex]PV=nRT[/tex]

P = pressure of gas = 1530 mm Hg = 2.01 atm     (760mmHg=1atm)

V = Volume of gas = ?

n = number of moles = 0.275

R = gas constant =[tex]0.0821Latm/Kmol[/tex]

T =temperature =[tex]75K[/tex]

[tex]V=\frac{nRT}{P}[/tex]

[tex]V=\frac{0.275atm\times 0.0820 Latm/K mol\times 75K}{2.01atm}=0.84L[/tex]

Thus the volume of the gas is 0.84 Liters

1)how is ice made?
2)what materials does it use?
3)how is it put together

Answers

Answer:

milk and sugar and vinillia it uses a machine and you stir until it forms

Explanation:

Ice is made when water hits the freezing point, using water, and possibly an ice holder or a machine

What is the term for combining 2 or more atoms together?
atom
O molecule
O element
O compound

Answers

compound is e answer


On the periodic table, what is a group? For the main groups, what characteristic
do the elements have in common?

Answers

Answer:

The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups. The elements in each group have the same number of valence electrons. As a result, elements in the same group often display similar properties and reactivity.

Explanation:

On the periodic table, a group refers to a vertical column of elements that share similar chemical properties.

For the main groups, the characteristic do the elements have in common is valence electron configuration and chemical reactivity.

On the periodic table, a group refers to a vertical column of elements that share similar chemical properties. These elements are arranged in such a way that they have the same number of valence electrons, which are the electrons in the outermost energy level (shell) of their atoms. The number of valence electrons is a critical factor in determining the chemical behavior and reactivity of elements, as it governs their ability to form chemical bonds with other elements.

Main group elements, also known as representative elements, are located in the s-block and p-block of the periodic table. These elements are found in Groups 1, 2, and 13 to 18. Each main group is labeled with a number from 1 to 18.

Here are the main characteristics that elements in the same main group (vertical column) have in common:

1. Valence Electron Configuration: Elements in the same main group have identical valence electron configurations. For example, elements in Group 1 (alkali metals) all have one valence electron in their outermost energy level (ns¹), while elements in Group 18 (noble gases) have a full outermost energy level.

2. Chemical Reactivity: Due to their identical valence electron configuration, elements in the same group show similar chemical reactivity. They tend to form similar types of chemical bonds and react similarly with other elements to achieve a more stable electron configuration.

3. Periodic Trends: Main group elements within a group exhibit predictable trends in their physical and chemical properties as you move from the top to the bottom of the group. For example, the atomic radius tends to increase, ionization energy tends to decrease, and metallic character tends to increase as you go down a group.

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How many grams of Aluminum are needed to
produce 45.3 grams of Iron metal?

Answers

it might be 90.6g...


47. How did you determine the stoichiometric coefficients of the X-630 reaction?

Answers

the sum of coefficients is given by f(1,1)=n∑k=0ck. Just write down the general formula for the binomial expansion of (a−b)n. Then consider what happens when a=b. You will see that the sum of the binomial coefficients must be equal to zero.

Look at the imagine show. Above

What phase does the moon show?
A. waxing gibbous
B. waning gibbous
C. third quarter
D. first quarter

Answers

Answer:    D

Explanation:

Trust me please

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