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daser333 [38]
4 years ago
15

In an energy diagram, the reactants are at a higher potential energy compared to the products. Which of the following best descr

ibes this reaction?
Chemistry
1 answer:
tino4ka555 [31]4 years ago
7 0
It is exothermic and will have a negative enthalpy. 
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Can you help me with balancing equations​
zalisa [80]

Answer:

Explanation:

number 5

S∨8  +8O∨2 =8SO∨2

3 0
3 years ago
How do scientists measure changes in the levels of global atmospheric co2?
ad-work [718]
All of the above is your Answer.
6 0
3 years ago
Choose all of the following mole ratios that are correct for the reaction given below. Be sure to choose all that apply.
Dennis_Churaev [7]

Answer:

2 moles NH3 = 1 mole of N2

3 moles of H2 = 1 mole of N2

3 moles of H2 = 2 moles of NH3

Explanation:

The balanced equation for the reaction is given below:

N2 + 3H2 —> 2NH3

From the balanced equation above,

1 mole of N2 reacted with 3 moles of H2 to produce 2 moles of NH3.

Thus, we can say that:

1 mole of N2 = 3 moles of H2

1 mole of N2 = 2 moles of NH3

3 moles of H2 = 2 moles of NH3

Thus, considering the options given above, the right answers to the question are:

2 moles NH3 = 1 mole of N2

3 moles of H2 = 1 mole of N2

3 moles of H2 = 2 moles of NH3

5 0
3 years ago
Read 2 more answers
For wach of the following cases, state whether the density of the object increases, decreases, or remains the same:
Ahat [919]

Answer:

a) increases.

b) remains the same.

c) decreases.  the hydrogen molecules constrict or shrink from actual size!

Explanation:

Since ,

Density is given as mass divided by the volume .

( a ) As the Chlorine gas is compressed , the molecules of gas comes close to each other , and hence , the density increases .

( b ) When the lead is taken to high mountain , its density remains the same , as density is independent of higher pressure , as going to mountain will increase the pressure .

( c ) As the water is freeze , its density decreases ,

Because ice is less dense than water , as seen , the ice ice can float on the surface of water .

4 0
3 years ago
Rank the metals from most reactive (1) to least reactive (3) silver, strontium, and technetium
Natasha2012 [34]

Answer:

1 = strontium

2 = technetium

3 = silver

Explanation:

Strontium is present in 2 group of periodic table. It is alkaline earth metal. It is most reactive element and can not found free in nature. it  is insoluble in water but react with water and form strontium hydroxide and hydrogen gas is also produced. It is radioactive element.

It is similar to the calcium and can incorporated into bones. The food rich with strontium is used to avoid the osteoporosis. It is found in leafy vegetables, grains, sea foods etc.

In given series strontium is highest in reactivity then technetium, while the technetium is more reactive than silver. The silver is less reactive as compared to both given elements.

7 0
3 years ago
Read 2 more answers
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