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
azamat
2 years ago
14

Anyone else ever done this? Please help !!

Chemistry
1 answer:
Oksanka [162]2 years ago
5 0

Answers for criss-cross (except Q3) is in the above picture.

You might be interested in
Molar mass c3h8
maksim [4K]

Answer:

1. 44.11 g

2. 36.03 g

3. 8.08 g

4. 81.7%

5. 18.3%

Explanation:

1. 12.01+12.01+12.01+1.01+1.01+1.01+1.01+1.01+1.01+1.01+1.01=44.11

2. 12.01×3= 36.03

3. 1.01×8= 8.08

4.(36.03/44.11)×100= 81.7%

5. (8.08/44.11)×100= 18.3%

8 0
2 years ago
Please help asap. will give brainliest to correct answer
Usimov [2.4K]
The answer is 232 plus 450
7 0
3 years ago
Write a balanced chemical equation for the standard formation reaction of solid sodium hydrogen carbonate Write a balanced chemi
4vir4ik [10]

Answer:

Na(s) + C(s, graphite) + 1/2 H₂(g) + 3/2 O₂(g) → NaHCO₃(s)

Explanation:

The standard formation reaction is the synthesis of 1 mole of a substance from its elements in their most stables forms under standard conditions. The balanced chemical equation is:

Na(s) + C(s, graphite) + 1/2 H₂(g) + 3/2 O₂(g) → NaHCO₃(s)

8 0
3 years ago
How does water vapor become frost?
Tatiana [17]
Frost<span> forms when an outside surface cools past the dew point. The dew point is the point where the air gets so cold, the </span>water vapor<span> in the atmosphere turns into liquid. This liquid freezes. If it gets cold enough, little bits of ice, or </span>frost<span>, form. google</span>
6 0
3 years ago
An unknown substance undergoes a chemical change that gives off heat. What can you tell me about this substance?
marin [14]
On a molecular level there is a lot of movement which in turn is the reason why heat is generated.
7 0
3 years ago
Read 2 more answers
Other questions:
  • Propene. What does the name of this hydrocarbon tell you about it’s molecular structure?
    7·1 answer
  • How can I balance this equation __NH4NO3-&gt;__N2+__H2O
    14·1 answer
  • Where is the location of the non-metals on the periodic table​
    9·2 answers
  • PLZZ HELP ASAp PLAAAAOSOZOZOSO
    9·1 answer
  • A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 0.300 atm at 20.0°C. The round part of the tan
    6·1 answer
  • When dissolved in water, a neutral molecule of calcium chloride dissociates into three ions - one calcium ion and two chloride i
    13·1 answer
  • How many grams of water are produced if we react 3 moles of hydrogen with 3 moles of oxygen?
    7·1 answer
  • How many electron energy shells are occupied in an unstable atom of silicon
    13·1 answer
  • Molecular formula of CH3-CH2-CH2-CH2-CH2-Cl​
    8·1 answer
  • When 18.0 g H20 is mixed with 33.5 g Fe, which is the limiting reactant?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!