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
artcher [175]
3 years ago
7

Can someone answer theses problems? Only do the Even number problems,Im in a rush so please help me.

Chemistry
1 answer:
8090 [49]3 years ago
7 0
The answer to the questions. All 15 of them.

You might be interested in
***20 pts***
BartSMP [9]

Answer:

0.131 mol

Explanation:

To convert grams to moles, you need to use the molar mass.  The molar mass is the mass number.  You can find this on the periodic table.  The molar mass of sodium is 22.990 g/mol.

(3.02 g)/(22.990 g/mol) = 0.131 mol

5 0
3 years ago
List three things that rely on the Sun as the major source of energy​
valkas [14]

Answer:

Three things that rely on the sun for energy is coal,oil, and natural gases

Explanation:

We use engery too cook our food that's an example of how gases are used.

We run our cars .Cars use oil.

And we use electricity for lights. You need coal for the electricity

6 0
3 years ago
Read 2 more answers
During autumn, days grow colder. What happens to the nights?
Rus_ich [418]

Answer:

I thinks its they grow longer explaination: I have a massive brain

7 0
2 years ago
Read 2 more answers
How many grams of water are in 19.2 moles of water?<br><br> *#28 is the question
PtichkaEL [24]
The grams of water produced is c

8 0
3 years ago
How many Grams of NO is produced if 12g of O2 is combined with excess ammonia?
stich3 [128]

Answer:

9g

Explanation:

moles O2 = mass / Mr = 12 / 2(16.0) = 0.375

ratio O2 : NO = 5:4

moles NO produced = 0.375 * 4/5 = 0.3

mass NO = Mr * mol = (14.0+16.0) * 0.3 = 9g

5 0
3 years ago
Other questions:
  • Is elemental sulfur a pure substance
    6·1 answer
  • What caused the bonding of two atoms which undergo an ionic bond?
    10·1 answer
  • Please help Physical Science! Pretty easy.
    14·1 answer
  • Define :
    12·1 answer
  • Write the net ionic equ.
    10·1 answer
  • What is the formula for potassium fluoride?
    5·1 answer
  • Please help quick im on a test and i only got an few mins left
    15·2 answers
  • Please help me with this thank you !!
    6·1 answer
  • What percentage of a substance remains after 7 half-lives have passed?
    7·1 answer
  • In a different investigation, a student passed a current of 0.6 A through copper
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!