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
yulyashka [42]
3 years ago
10

Please someone help me its due today thanks :D

Chemistry
1 answer:
avanturin [10]3 years ago
7 0

Answer:

D

Explanation:

All of the above are great examples!

<em>"Endothermic reactions are those which absorb heat during the reaction."</em>

You might be interested in
Some properties of liquid water are very different from those of solid water (ice). Explain why freezing is considered a physica
drek231 [11]

Answer:

A chemical change is a change in the chemical makeup of a substance and results in a new substance. Ice and water both have the same chemical makeup - ice is just a different state and has the same atoms but in an expanded form.

Explanation:

8 0
3 years ago
what are the reactants in the first word equation above. magnesium+hydrochloric acid ⇒ magnesium chloride + hydrogen
Alex

Answer:

magnesium+ hydrochloric acid is the reactants

Explanation:

the reactants are always in the left and the products are always in the right by

magnesium+hydrochloric acid ⇒ magnesium chloride + hydrogen

by combining magnesium and hydrochloric acid it produces magnesium chloride and hydrogen.

hope this helps..

6 0
3 years ago
Which of the following units is rarely, if ever, used in science labs?
nasty-shy [4]

Answer: C. Quart

Explanation:

Quart is a unit of measurement for liquids and is equivalent to 2 pints.

6 0
3 years ago
Which of the following elements is the most reactive?<br> c, s,f, or as
makkiz [27]
I would say as, Arsenic

3 0
4 years ago
Read 2 more answers
Step 6: Measure Pressure and Volume with the Book and 1 kg of Weight
goldfiish [28.3K]

Answer:

Starting from the top

1.498

1.18

43.5

51.3

For step 7

2.498

1.27

40.5

51.4

For 8

3.498

1.37

37.5

51.4

For 9

4.498

1.47

35.0

51.5

Lmk if anyone needs earlier steps, but I'm going to assume no since you're already on 6

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • You observe heat, light, and sound released by a chemical reaction. This reaction is (2 points)
    13·1 answer
  • Think about water and how it rolls up on the beach. Think of all its qualities. Is it alive according to the characteristics of
    10·1 answer
  • Which number represents an acidic pH, 4 or 9?
    10·2 answers
  • If 90.00 grams of calcium nitrate are used up in the reaction how many grams of aluminum sulfate are necessary to react ?
    11·1 answer
  • A laser pulse with wavelength 555 nm contains 4.40 mj of energy. how many photons are in the laser pulse?
    13·1 answer
  • Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom, but carbon atoms are different from hydr
    10·1 answer
  • How many paths of energy does a food chain follow?
    14·2 answers
  • Do you think creativity can contribute to scientific inquiry and investigation? Provide an example and explain your answer.
    12·1 answer
  • What properties do atoms of the same element share? Select all that apply
    14·1 answer
  • What makes scientists think that arctic areas were once warm?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!