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
solniwko [45]
2 years ago
12

PLEASE HELP ME!!!!!!!!!

Chemistry
1 answer:
guapka [62]2 years ago
8 0

Answer:

remember, the number of atoms is represented by the subscript. if there is a coefficient, multiply it by the subscript. if there is no subscript or coefficient written, assume it is 1.

cu = 1 atom on the reactants side, 1 atom on the products side

s = 1 atom on the reactants side, 1 atom on the products side

O = 2 atoms on the reactants side, 2 atoms on the products side

You might be interested in
If you wanted to protect water from freezing, which of the compounds below would accomplish this best. NaNO3, Mg(NO3)2, or Al(NO
Korvikt [17]
All of them are soluble salt.

First one dissociates into two ions.

The second one dissociates into 3 ions.

The third dissociate into 4 ions. therefore, Al(NO3)3
4 0
3 years ago
An ionic bond involves _____.A. an attraction between ions of opposite chargeB. water avoidanceC. the sharing of a single pair o
allochka39001 [22]

Answer: D i think

Explanation: Im sorry if it is wrong lol!! I pretty sure thats the answer...

8 0
3 years ago
Who invented the periodic table
Goryan [66]
Dmitri Mendeleev invented the periodic table.
4 0
3 years ago
Read 2 more answers
Some chemical reactions take a very long time to go to completion or cannot be directly measured. Which law allows one to use tw
katrin2010 [14]

Answer:

D

Explanation:

If you add two or more thermochemical equations to give a final equation, then you also add the heats of reaction to give the final heat of reaction

7 0
3 years ago
Water is placed in a graduated cylinder and the volume is recorded as 43.5 ml. a homogeneous sample of metal pellets with a mass
natulia [17]
Density = mass /volume of the body. mass = 10.88 g, volume of the liquid displaced= 49.4-43.5=5.9 ml.

density = 10.88/5.9=1.844 g/ml~1.84 g/ml

The volume displaced is exactly the same as that of the body (The Eureka fro Archimedes!)
7 0
3 years ago
Other questions:
  • Right now I’m a freshmen, and we got our scheduling paper for next year as sophomores. I’m wondering if I should take chemistry
    10·2 answers
  • Learn how changes in binding free energy affect binding and the ratio of unbound and bound molecules.
    13·1 answer
  • Conversion of minus 1 coulomb meter in debye
    5·1 answer
  • If 35 mL of 0.10 Macid solution is neutralized by 21.8 mL of a basic solution, what is the molarity
    12·1 answer
  • For scientific notation, when i move the decimal to the left the the exponent get bigger or smaller?
    10·1 answer
  • What do an electron and neutron have in common?
    7·2 answers
  • 1. Calculate the mass (in grams) of 6.15 moles of the following:
    13·1 answer
  • In your own words, describe in as much detail as possible, what is air made of.
    13·2 answers
  • Is toothpaste suspension,colloid,solution?​
    6·2 answers
  • What happens if metal is in acid?<br> I'm having a blank
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!