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
Lady bird [3.3K]
2 years ago
10

PLEASE HELP!! i am very stuck

Chemistry
1 answer:
MAVERICK [17]2 years ago
6 0

Answer:

Explanation:

Molar mass of Ca(Cn)2 = 92. 11 mol/g

You might be interested in
Give the formulas for the following
zubka84 [21]

Li2O

Fe(NO3)3

Al2O3

CuCl2

ZnSO4

All you have to do here is make sure your charges are balanced when you write the compound. For example, Iron (III) has a +3 charge, and nitrate has a -1 charge. You need 3 nitrates to match that charge, hence Fe(NO3)3.

8 0
2 years ago
What gas is used in freezers and fridges? ​
natta225 [31]

Answer:

Chloro-Flouro-Carbon

Explanation:

Chloro-Flouro-Carbon (CFC Gas) is used as a refrigerant in fridges and freezers.

7 0
2 years ago
In a neutral atom, the number of protons _______ the number of electrons.
sergejj [24]

Answer:

equal the number of electrons.

Explanation:

8 0
3 years ago
Read 2 more answers
If element x has 72 protons, how many electrons does it have? electrons
saw5 [17]
Elements have neutral charges such as Na so if X has 72 protons + charges then it must also have 72 electrons with - charges

hope that helps
6 0
3 years ago
do you agree or not that evidence is only used to back scientific laws and provide evidence why or why not!!!!!! thank you, will
suter [353]

Answer:

yes, because evidence from scientifically research studies, is important because it lets us make decisions based on what works with studies of science we can know if this is right or not  

Explanation:

Hope i helped~  

4 0
2 years ago
Other questions:
  • PLS HELPPP I NEED ANSWERS QUICK !! WILL GIVE U BRAINLIEST
    15·1 answer
  • Which of the following characteristics is common to both acids and bases? a. They produce ions when dissolved in water. b. They
    15·2 answers
  • The earth consist of how many chemical layers ?
    15·2 answers
  • The purpose of the salt bridge in an electrochemical cell is to ________. Question 10 options: provide oxygen to facilitate oxid
    12·1 answer
  • A cold pack manufacturer has decided to change the chemical in their cold pack from ammonium nitrate to ammonium chloride, a saf
    10·1 answer
  • Which of the following units is a derived unit? <br> Second<br> Meter<br> Density<br> Ampere
    13·2 answers
  • How do you convert ethane to ethanoic acid? Please provide your equation.
    13·1 answer
  • Why must ionic compound have a total charge of 0?
    9·1 answer
  • Why carbon is a basic thing to classify as organic and inorganic compounds?​
    14·1 answer
  • Select the correct answer. which tool is used to measure an object’s mass? a. graduated cylinder b. meter stick c. digital therm
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!