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nikitadnepr [17]
4 years ago
12

Which statement describes potential energy? A. energy of motion B. stored energy C. energy due to heat D. used energy

Chemistry
2 answers:
Brrunno [24]4 years ago
8 0

A. Energy of motion describes potential energy

Inessa [10]4 years ago
7 0

B is the answer.

potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

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Match the each term with its definition. 1) reaction coordinate a) the higher point on the energy curve 2) δg° b) the plot of th
Vilka [71]
The correct answer is:
1) reaction coordinate will match with
B)the plot of the reaction progress as a function of time.

as the reaction coordinate is the progress of a reaction from the reactants to products with different transition states in between. The X-axis: which has the reaction progress reflects the progressive chemical changes and the formation of bond and the bond breakage as S (the energy associated with the reactant) is changing and converting to P ( the energy that associated with the product).Actually, it has no relation to time.Rather partially formation of bonds and breaking of bond reaction steps.

2)ΔG° will match with  
c) the free energy of the reaction.

As it is simply defined as the Gibbs free energy and is also known as a free enthalpy, it is used to calculate the maximum of reversible work performed by the thermodynamic system when the temperature and the pressure are constant.

3)ΔG will match with
A) the higher point of the energy curve.

when ΔG = ΔGproduct - ΔGreactant
and It is simply defined as the change in free energy. It reflects nothing about the speed of the reaction. ΔG+ indicates that the reaction is endergonic and energy goes from reactants to products.and ΔG- become negative when the reaction goes to a lower energy state and it indicates then that the reaction is exergonic.

4 0
3 years ago
Calculate the density of a sample of 1.00 mole of nh3 at 793mmhg and -9.00 c
xeze [42]

0.164 g/L is the density of a sample of 1.00 mole of NH_3 at 793mmhg and -9.00 degrees celcius.

<h3>What is density?</h3>

Density is the mass of a unit volume of a material substance. The formula for density is d = \frac{M}{V}, where d is density, M is mass, and V is volume.

Given data:

n = 1.00 mole

P=793 mm hg =1.04342 atm

T=-9.00 degree celcius = -9.00 + 273= 264 K

V=?

Using Ideal Gas Law equation:  

PV = n R T      

R = gas constant = 0.082057 L-atm/(mol-K)

(1.04342 atm)(V) = 5 X 0.082057 L-atm/(mol-K)  X 264 K

V = 103.67 Liters

Now calculate density:

Mole weight of NH_3 = 1.00 mole

So, the mass of NH_3 = 17.031 g

Density =  \frac{mass}{volume}  

Density =  \frac{17.031 g}{ 103.67 Liters}  

= 0.164 g/L

Hence, 0.164 g/L is the density of a sample of 1.00 mole of NH_3 at 793mmhg and -9.00 degrees celcius.

Learn more about the density here:

brainly.com/question/15164682

#SPJ1

8 0
2 years ago
Which structures perform similar functions in plant and animal cells?
lyudmila [28]

Answer:

2

Explanation:

Sorry if Im wrong

8 0
3 years ago
What test was used to identify hydrogen gas? Write a balanced equation to represent the test?
const2013 [10]
Burning splint test
2H2 (g) + O2 (g) -> 2H20 (g) + heat
It’s a combustion reaction
6 0
3 years ago
How are carbon-based molecules suited for sustaining life?
IrinaVladis [17]

\huge\fcolorbox{red}{pink}{Answer ♥}

Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.

Hope it helps uh ✌️✌️✌️

8 0
3 years ago
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