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
Amiraneli [1.4K]
3 years ago
10

Need help on 17,19,20 please.

Chemistry
1 answer:
pentagon [3]3 years ago
5 0

Answer:

c, maybe d, and I think b.

Explanation:

Im sorry if wrong

You might be interested in
Is kingdom more specific taxon than family?
Eva8 [605]
Yes the kingdom is more specific
5 0
3 years ago
3.0 L of oxygen gas is heated from 100k to 250k. What is the new volume after the temperature has been increased???
alexandr402 [8]

Answer:

7.5 L

Explanation:

Using Charles' law, which is V1/T1=V2/T2, we can plug in these numbers to find the answer.  The law states that volume is directly proportional to temperature. 3.0L/100K = x L / 250 K. Solve for x to get 7.5 L. Hope this helps.

7 0
3 years ago
Find the pH of a solution whose H concentration is 0.7 x 10-3.
dexar [7]

Answer: pH = 3.15

Explanation: Solved in the attached picture.

6 0
3 years ago
10. Air is a homogenous mixture of gases. Oxygen is 20% by volume of air typically. What
raketka [301]

Answer:

893 moles

Explanation:

An ideal gas at STP occupies 22.4 liters. Calculating Oxygen as if it were an ideal gas there are . 893 moles of Oxygen in 20.0 liters.

3 0
3 years ago
Solid iron(III) oxide (Fe,O3) reacts with hydrogen gas (H) to form iron and
Kisachek [45]
8. 4 grams of water will be produced.
5 0
3 years ago
Other questions:
  • How could dumping pollutants, such as motor oil, in your driveway be hazardous to the neighbor 20 miles away?
    13·2 answers
  • Helpz mez plzz pwzzzzz
    15·1 answer
  • _____ bonds are formed when the electronegativity difference is 0.4 > 2.0. Give two examples:
    15·1 answer
  • A plastic 2L soda bottle is flexible enough that the volume of the bottle can change even without opening it. If you have an emp
    11·1 answer
  • Calculate the mass percent of HOCH 2CH 2OH in a solution made by dissolving 3.2 g of HOCH 2CH 2OH in 43.5g of water.
    11·1 answer
  • All of the following are conductors of electricity except
    9·1 answer
  • If I have a 200 L container filled with nitrogen at a pressure of 1.0 atm, how many moles
    6·1 answer
  • Diffrent between bryophytes and pteriodphytes
    11·1 answer
  • dont mind the check mark i was just guessing but i really need help on this question and please just answer if you really now th
    5·1 answer
  • (1.) If at 100.0 mL solution contains 0.850 moles of a solute, what is the molarity ?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!