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Anna35 [415]
3 years ago
11

This graph represents an endothermic reaction. What does it show about the potential energy of reactants and products? Abuzua nu

nuad in Reaction progress A. The comparison of potential energy depends on what the reactants and products are, B. The potential energy of the products is greater than the potential energy of the reactants C. The potential energy of the reactants equals the potential energy of the products D. The potential energy of the reactants is greater than the potential energy of the products,​

Chemistry
1 answer:
Nata [24]3 years ago
6 0

Answer:

The potential energy of the products is greater than the potential energy of the reactants

Explanation:

i just took the test

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At what point on the roller coaster do the riders have the greatest amount of potential energy?
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Answer:

Point C

Explanation:

Point C has the greatest potential energy because it is at that point that the riders will have maximum height

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2 years ago
Read 2 more answers
1A. A strontium hydroxide solution is prepared by dissolving 10.45 g of Sr(OH)2 in water to make 41.00 mL of solution. What is t
horrorfan [7]

Answer:

1. 0.00352 M

2. 2HNO3(aq) + Sr(OH)2(aq) -----> Sr(NO3)2(aq) + 2H2O(l)

3. 0.00534 M

Explanation:

1.

Mass of strontium hydroxide= 10.45 g

Volume of solution = 41.00 ml

Number of moles = mass of Sr(OH)2/molar mass of Sr(OH)2 = 10.45g/121.63 g/mol= 0.0859 moles

Molarity= number of moles × volume = 0.0859 ×41/1000 = 0.00352 M

2.

2HNO3(aq) + Sr(OH)2(aq) -----> Sr(NO3)2(aq) + 2H2O(l)

3.

Concentration of acid CA= the unknown

Volume of acid VA= 31.5 ml

Concentration of base CB= 0.00352 M

Volume of base VB= 23.9 ml

Number of moles of acid NA= 2

Number of moles of base NB= 1

From;

CAVA/CBVB = NA/NB

CAVANB= CBVBNA

CA= CBVBNA/VANB

CA= 0.00352 × 23.9 ×2/31.5 ×1

CA= 0.00534 M

7 0
3 years ago
3. (05.04 MC)
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Answer:

1.10 g H2

Explanation:

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Outline the two main observations that led Wegener to propose the theory of continental drift.
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Answer:

for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zone

Explanation:

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Nervous System I believe

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