1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
LuckyWell [14K]
3 years ago
6

Need help please!!!!!!!

Chemistry
2 answers:
kkurt [141]3 years ago
7 0

Answer:

a small rock sitting on top of a big rock

a stretched rubber band

Explanation:

A small rock sittin on the top of a big rock has stored energy because of the potential energy that it contains, as well as the stretched rubber band in all the kinetic energy that is stored in the streched rubber band and it is just about to free it as soon as what is keeping it stretched liberates it.

Alika [10]3 years ago
5 0
A small rock sitting on top of a big rock and a stretched rubber band.
You might be interested in
What does the atomic number tell us about any element?​
kobusy [5.1K]

uniquely identifies a chemical element. yupppppp

3 0
3 years ago
Read 2 more answers
Calculate the equilibrium constant for the reaction using the balanced chemical equation and the concentrations of the substance
Oliga [24]

Answer:

4.75 is the equilibrium constant for the reaction.

Explanation:

CO(g)+H_2O(g)\rightleftharpoons CO_2(g)+H_2(g)

Equilibrium concentration of reactants :

[CO]=0.0590 M,[H_2O]=0.00600 M

Equilibrium concentration of products:

[CO_2]=0.0410 M,[H_2]=0.0410 M

The expression of an equilibrium constant is given by :

K_c=\frac{[CO_2][H_2]}{[CO][H_2O]}

K_c=\frac{0.0410 M\times 0.0410 M}{0.0590M\times 0.00600 M}

K_c=4.75

4.75 is the equilibrium constant for the reaction.

3 0
3 years ago
Which of the following will increase entropy in a reaction?
Lapatulllka [165]

B. Heating up the reaction will increase the entropy of a reaction.

<h3>What is entropy?</h3>

Entropy is the measure of the degree of disorderliness of a system.

Entropy is also the measure of a system's thermal energy per unit temperature that is unavailable for doing useful work.

S = ΔH/T

where;

  • S is entropy
  • ΔH is energy input
  • T is  temperature

Entropy increases in reactions in which the total number of product molecules is greater than the total number of reactant molecules.

However, entropy increases as temperature increases. Thus, heating up the reaction will increase the entropy of a reaction.

Learn more about entropy here: brainly.com/question/6364271

#SPJ1

3 0
2 years ago
In chemistry, what is the definition of the term salt? a compound consisting of an anion from an acid and a cation from a base a
inysia [295]
In chemistry<span>, a </span>salt<span> is an ionic compound that can be formed by the neutralization reaction of an acid and a base.So yes it is</span>
7 0
3 years ago
Read 2 more answers
A television weights 8.50 pounds. How many grams is this?
kolezko [41]

Answer:

3,855.532 grams

Explanation:

1 pound = 453.592 grams

8.50 = ? grams

--> 8.50 * 453.592 = 3,855.532 grams.

4 0
3 years ago
Other questions:
  • On what principle does calorimeter depend?
    7·1 answer
  • Nolan and Hunter are studying heat flow, so they design the following apparatus. The apparatus consists of two identical glass c
    7·2 answers
  • PLZZ HELP ME ASAP
    9·2 answers
  • Imagine a friend is planning a rock-climbing trip. Write a note in the box explaining how gas exchange is affected at the top of
    11·1 answer
  • Which of the following is a pure substance?
    5·1 answer
  • 1. Which of the following can take the shape of the container it is in but has a fixed volume?. . A. argon gas. B. liquid bromin
    15·1 answer
  • What does the (lll) in iron ion mean
    9·1 answer
  • The law of conversion states that mass is never created or destroyed. Explain how this law requires all chemical equations to be
    15·1 answer
  • How many more valence electrons does this atom need to fulfill the Octet
    7·1 answer
  • I need help with these questions fast plz no links!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!