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
zysi [14]
3 years ago
7

What formula do you use to calculate the heat in a endothermic reaction?

Chemistry
1 answer:
leva [86]3 years ago
4 0
Reactants + Energy → Products
I guess this is the answer
You’re welcome ;)
You might be interested in
What other substance (besides salt) could you sprinkle over ice to affect how fast it melts? Describe how you would test the sub
Georgia [21]

Answer:

See explanation

Explanation:

Salt makes ice to melt faster than it usual. Sugar is another substance that influences the melting time of ice.

If i have a sample of pure ice and another sample of ice treated with sugar. I have to maintain the both initially at 0 degrees temperature and have a stop clock to measure the melting time.

I will ultimately notice that the sample of ice treated with sugar will melt faster than the pure sample of ice due to the presence of an impurity.

7 0
2 years ago
How many atoms are in a sample of 72.8 g calcium (Ca)?
xxMikexx [17]
Atomic mass Ca = 40.078 a.m.u

40.078 g -------------------- 6.02x10²³ atoms
72.8 g ---------------------- ??

72.8 x ( 6.02x10²³) / 40.078 =

4.38x10²⁵ / 40.078 = 1.093x10²⁴ atoms

hope this helps!
5 0
3 years ago
Read 2 more answers
What is in lactic acid that it can lower pH levels?.
-BARSIC- [3]

Answer:

On the basis of this explanation, if the rate of lactate production is high enough, the cellular proton buffering capacity can be exceeded, resulting in a decrease in cellular pH. These biochemical events have been termed lactic acidosis. ... Every time ATP is broken down to ADP and Pi, a proton is released

Explanation:

4 0
2 years ago
Jupiters atmosphere is mostly made of ___
erastovalidia [21]
Jupiter's atmosphere is composed predominantly of hydrogen and helium, but if you have to select any one option then we can look at the percentage of existence of these elements that would be
<span>90 percent hydrogen.
remaining 10 percent is helium 
so choose Hydrogen.</span>
3 0
3 years ago
For an organism’s scientific names, the first part is the ________ and the second is the ________.
kari74 [83]

Answer:

C

Explanation:

For an organism scientific names the first part is the genus and the second is the species

3 0
2 years ago
Read 2 more answers
Other questions:
  • What term matches this definition – negatively charged particle in an atom??
    15·1 answer
  • Definition To: The capacity for doing work. It may be transformed from one form to another.
    15·1 answer
  • When does the cell membrane dissapear
    8·1 answer
  • Reason the Carbon Cycle is necessary to sustain life on Earth
    7·1 answer
  • !!!!HELP ASAP!!!! How does the scientific method help scientists?
    10·2 answers
  • At room temperature, all samples of liquid water must have the same
    8·2 answers
  • How has the work of chemists affected the environment?
    11·2 answers
  • What force pulled the solar system together out of a cloud of gas and dust
    8·1 answer
  • How many particles are in 2.4 moles of carbon dioxide
    5·1 answer
  • If you have two pistons in a system, which exerts the larger force?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!