The pressure of the container is approximately 94.0 atm when there are 5.0 moles of bromine gas at a temperature of 46.7°C in a 1.4 L container.
To determine the pressure of the container, we can use the ideal gas law, which states:
PV = nRT
where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
First, we need to convert the temperature from Celsius to Kelvin by adding 273.15:
T = 46.7 + 273.15 = 319.25 K
Next, we can substitute the given values into the ideal gas law equation:
PV = nRT
P * 1.4 L = 5.0 mol * (0.0821 (Latm)/(molK)) * 319.25 K
Simplifying the equation:
P * 1.4 L = 131.4935 (L*atm)
Dividing both sides of the equation by 1.4 L:
P = 131.4935 (L*atm) / 1.4 L
P ≈ 94.0 atm
Therefore, the pressure of the container is approximately 94.0 atm when there are 5.0 moles of bromine gas at a temperature of 46.7°C in a 1.4 L container.
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The transfer of ____________ is achieved when eating and feeding exists
Answer:
the transfer of energy because eating is gaining energy from a source, so the energy from that source is being transfer to the animal.
The transfer of energy is achieved when eating and feeding exists. Chemical processes may emit or absorb chemical energy.
What is energy?The ability of a physical process to carry out work is known as energy. It's crucial to remember that simply because energy exists doesn't indicate that it is always ready to do tasks. Thermal energy, sometimes known as heat, is generated when atoms or molecules move. It may be thought of as temperature-related energy.
This energy results from the location of an item. For instance, a ball resting on a table possesses potential energy in relation to the ground because of the influence of gravity. Chemical processes may emit or absorb chemical energy. It is created by atoms and molecules establishing or breaking chemical bonds.
Therefore, the transfer energy is achieved when eating and feeding exists.
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gases are also good conductors of electricity in discharge tube at
1)high pressure high voltage
2) low pressure low voltage
3) low pressure high voltage
4) never
pls help wil marks as brainliest
Answer:
3)low pressure and high voltage
Water often has dissolved gases and other chemicals in it. When this water encounters rocks, the minerals in the rocks can be changed by the process of
ahh help, is it true or false?
PLEASE HELP!!!
How many kilograms of chlorine gas is needed to produce 45.0 grams of hydrochloric acid?
Answer:
43.76 g = 0.04376 Kg
Explanation:
The equation of the reaction is given as;
H2 + Cl2 --> 2HCl
From the equation;
1 mol of Cl2 produces 2 mol of HCl
Converting to mass;
Mass = Number of mol * Molar mass
Cl2;
Mass = 1 mol * 70.906 g/mol = 70.906 g
HCl;
Mass = 2 mol * 36.458 g/mol = 72.916 g
This means;
70.906 g of Cl2 produces 72.916 g of HCl
x g of Cl2 would produce 45g of HCl
70.906 = 72.916
x = 45
x = 45 * 70.906 / 72.916
x = 43.76g
the ____metals are in the first column. each of them has full shells, plus one extra electron sitting in a new, outer shell
A) Alkali
B) Alkali Earth
C) Arthropod
Answer:
The answer is A.
Explanation:
In periodic table, group 1 (1st column) are Alkali metals and group 2 (2nd column) are Alkali Earth metals.
Clear selection
1 point
5. Choose the correct pair to
complete the given statement.
The size of the pupil _ (i) _ in
bright light to allow _ (ii) _ light
to enter our eyes.
O A. (i) increases and (ii) more
B. (i) decreases and (ii) more
O C. (i) increases and (ii) less
O D. (i) decreases and (ii) less
6. Which labelled part gives the 1 poi
human eye, its characteristic
colour
?
Answer:
I believe it is d! Reason being, when you cover your eyes with your hands for a period if time, and then move your hands, your pupils become wide, this means that when there is light your pupils are most like decreasing in size and allowing less light! :) hope this helps
How many valence electrons does Oxygen have:
a) 3
b) 5
c) 13
Answer:
it has 6?
Explanation:
The answer should be 6
When elements are arranged according to increasing atomic number, there is a repeating, regular pattern of properties
This is called
periodic law
group
periodic table
family
Answer:
grpup
Explanation:
napagaralan namin yan
What is the mass of a liquid that has a density of 124 g/mL and takes up a volume of 18 mL. What mass should the liquid have? (round you answer to the nearest hundredth)
Which of these are correct
Answer:
A
Explanation:
I'm doing that rn and that's the answer
Which of the following statements is the best example of an interaction between the atmosphere and the hydrosphere ? Done rnnnn
Which of these is incorrect
Answer:
B
Explanation:
Ne has 10 electrons.
so the first shell will takes 2 (10-2=8)
the second shell will take 8 (8-8=0)
Metal x combines with fluorine to form XF2. what compound does it form with the sulfate ion?
A. XSO4
B. X2SO4
C.X(SO4)2
Explanation:
The answer is A b/c
the polyatomic SO4² have 2 valance electron,also
the metal X also have 2 valance electron so,They cancel each other
what is the defination of epsom salt?
MARK ME BRAINLIST
What are some genaral properties of gases that govern their behavior
Answer:
1. Gases may be compressed
2. Gases expand when less pressure is applied.
3. Gases can be mixed.
4. Gases exert a constant pressure on its container walls.
5. Gases have low densities.
SCIENCE
What is it called when two or more elements are brought together?
A. Solution.
B. Mixture.
C. Chemical reaction.
Answer:
C
chemical reaction .
Answer:
C
Explanation:
Chemical reaction.
Which of the following is considered a dilute solution? Choose all that apply.
Very sweet tea
Contact lens solution
Tide pods (laundry detergent)
Swimming pool water
Answer:
Very sweet tea
Explanation:
yeah... because sweet tea can cause tooth decay in our mouth thats why...(Please check the other answers also...Its all my point of view....thank you)
N2 + 3H2 → 2NH3 How many grams of hydrogen are necessary to react completely with 853.42g of nitrogen in the above reaction?
Answer: 182.87 grams of hydrogen are necessary to react completely with 853.42g of nitrogen.
Explanation:
The balanced chemical reaction is :
[tex]N_2+3H_2\rightarrow 2NH_3[/tex]
[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]
[tex]\text{Number of moles of nitrogen}=\frac{853.42g}{28g/mol}=30.479moles[/tex]
According to stoichiometry:
1 mole of [tex]N_2[/tex] react with = 3 moles of [tex]H_2[/tex]
30.479 moles of [tex]N_2[/tex] will react with=[tex]\frac{3}{1}\times 30.479=91.437moles[/tex] of [tex]H_2[/tex]
Mass of [tex]H_2[/tex] =[tex]moles\times {\text {Molar mass}}=91.437mol\times 2g/mol=182.87g[/tex]
Thus 182.87 grams of hydrogen are necessary to react completely with 853.42g of nitrogen.
HELPPPP I NEED TO SEND THEM TO MY TEACHER ITS REACTIONS AND SOME OF THEM MIGHT CANT HAPPEN
Answer:
Explanation:
follow the rule of "a weak acid can't make a stronger acid and weak base can't make a stronger base(it's pretty accurate for acid/salt reactions/replacemnts)" the last reactions won't work, but the second to last one will be kbr+pb(no3)2-> kno3 + PbBr2 (this is unballanced.) the first reaction will work. the second one i'm not too sure tbh, but i think it won't work since barium hydroxide's a weak base and if it were to react it would make koh, a super strong base
Answer:
3Ba(OH)2 + 2K3PO4 ----> 6KOH + Ba3(PO4)2
2KBr + Pb(NO3)2 ------> 2KNO3 + PbBr2
H3PO4 + 3KCl -----> K3PO4 + 3HCl
Explanation:
Chlorine reacts very violently. What about its electron shells makes this the case?
Answer:
it readily gains another electron. the outer electron shell is closer to the nucleus, than iodine for example, which makes it less shielded (greater attraction for another electron = violent reaction to get it)
Explanation:
Tammy spent of her savings on a watch. She then spent-of
the remainder on a
.
5
bag. What fraction of her money did she have left?
Answer:
1 / 2 of her money would be left
Explanation:
Tammy spent 2/5 of her savings on a watch. She then spent 1/6 of the remainder on a bag. What fraction of her money did she have left?
Taking the question bits by bit;
Tammy spent 2/5 of her savings on a watch
Amount Spent = 2/5
Remainder = 1 - 2/5 = 3/5
She then spent 1/6 of the remainder on a bag
Amount Spent = 1/6 * 3/5 = 1/2 * 1/5 = 1 /10
Total amount spent = 2/5 + 1 /10 = (4 + 1 ) / 10 = 5 / 10 = 1 / 2
Amount left = 1 - 1 /2 = 1 / 2
A) lizard
B) salamander
C) mouse
D) pigeon
dilute hydrochloric acid+zinc metal
Explanation:
2HCl+2Zn----> 2ZnCl+H2
Explanation:
HCL + Zn= zncl2 + H2
plz mark my answer as brainlist if you find it useful.
Elements and compounds are usually more dense in their solid than in their
liquid state. However, water is one of the notable exceptions. The density
of ice is 0.917 g/mL, while the density of liquid water is 1.00 g/mL. What
natural phenomena does this explain?
Explanation:
The molecules in water is more tightly packed than in ice, so water has greater density than ice.
Which processes are part of the fast carbon cycle?
Answer:
Option C
Explanation: Pass me the brainliest I only need 1
the speed of sounds depend on
Answer:
medium in which it is traveling
Explanation:
i hope it helps u
Describe the modern system of classification. Help please!
Answer:
its called TAXON0MY
Explanation:
they are classified in eight steps namely doma!n, k!ngdom, phylum, class, order, family, genus, and spec!es
but sometimes we do not include doma!n
if you want to name an organism you use both the genus group and the spec!es group
Example:
The scientific name for humans like us is h0m0 sap!ens
H0m0- This is our genus group
sap!ens- This is our spec!es group
sorry for using the exclamation mark it means i
Answer:
The modern system of classification is a hierarchy with eight levels. These levels are domain, kingdom, phylum, class, order, family, genus, and species. There are three domains and six kingdoms in the modern system.
Explanation:
Una sola dosis de etanol, C2 H5 OH, eleva el nivel intracelular de iones calcio. Los iones Ca2+ liberados por el etanol 0,10 M matan las células del hígado de las ratas. Expresa esta concentración en gramos por litro. ¿Cuál es el porcentaje en volumen? (La densidad del etanol es de 0,785 g/mL.)
Answer:
No se bro cual se la respuesta .......
Explanation:
lo siento(
An iron loses electrons. State the type of charge it will end up with
write in your own words
Answer:
Most atoms do not have eight electrons in their valence electron shell. Some atoms have only a few electrons in their outer shell, while some atoms lack only one or two electrons to have an octet. In cases where an atom has three or fewer valence electrons, the atom may lose those valence electrons quite easily until what remains is a lower shell that contains an octet. Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus. Positively charged ions are called cations. Most metals become cations when they make ionic