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
maxonik [38]
3 years ago
12

PLEASE HELP THIS IS FOR A TEST REVIEW

Chemistry
1 answer:
Leya [2.2K]3 years ago
7 0

Answer:

Matter is anything that has mass and takes up space. Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change none is created or destroyed.

mark me brainlest

You might be interested in
Following reactions<br>FeSO4+KOH<br>​
prohojiy [21]

Explanation:

FeSO _{4} + \: KOH \: →K _{2}SO _{4} \:  +  \: Fe(OH) _{2}

5 0
2 years ago
Plants require nitrogen fixed in compounds to grow. A higher the percentage of nitrogen results in improved plant growth. Which
Brut [27]

Explanation:

c and d. I'm not sure which one is better tho

4 0
1 year ago
Which notation represents atoms that have the same number of protons but a different neutron?
ArbitrLikvidat [17]
Those are called isotopes,

the answer is 3.

each element has its own unique number of protons (atomic number) but a different number of neutrons can be shown in example number 3.
5 0
3 years ago
How many molecules are in 8.2 moles of CO3
Anarel [89]
I believe the answer is 50.5 molecules 
3 0
2 years ago
Convert 4.992×1010 g to each of the following units.<br> B. Mg<br> c. mg<br> D. metric tons
SVETLANKA909090 [29]
I think it is letter D
3 0
3 years ago
Other questions:
  • Enter your answer in the provided box. The partial pressure of CO2 gas above the liquid in a bottle of champagne at 20°C is 4.5
    5·1 answer
  • Addition of 12 M (concentrated) HCl to saturated NaCl results in precipitation of NaCl. Yet when 1 M HCl is added to the same Na
    14·1 answer
  • Someone help me please
    9·1 answer
  • What is the mass in grams of 5.25 x 1024 molecules of NaOH?
    6·1 answer
  • Which atom has the largest atomic radius? potassium rubidium Francium cesium
    12·1 answer
  • What is the oxidation state of cr in CrPO4 and Cr3(PO4)2?
    7·2 answers
  • What is the equation to find the force of a hydraulic system
    6·1 answer
  • Which of the following is a non polar molecule ?
    12·1 answer
  • Hydrogen gas was cooled from 150 K to 50 K. Its new volume (V2) is 75 mL. What was its original volume (V1)?
    10·2 answers
  • What would you use to measure the height of a sample?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!