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
Tom [10]
3 years ago
10

What is the poportion of the two chemical elements that make up water

Chemistry
1 answer:
meriva3 years ago
7 0

Answer:

2:1

hydrogen is 2 and Oxygen is one

You might be interested in
a 160 milligram sample of a radioactive isotope decays to 10 kilograms in 12 years. what is the half life of this element
Shkiper50 [21]

Answer:

3 years

Explanation:

Given data:

Initial amount of sample = 160 Kg

Amount left after 12 years = 10 Kg

Half life = ?

Solution:

at time zero = 160 Kg

1st half life = 160/2 = 80 kg

2nd half life = 80/2 = 40 kg

3rd half life = 40 / 2 = 20 kg

4th half life = 20 / 2 = 10 kg

Half life:

HL = elapsed time / half life

12 years / 4 = 3 years

8 0
3 years ago
Is kelp a living or non-living thing?
Fed [463]

Answer:

non living

Explanation:

they trying to trick you

3 0
3 years ago
(4.9 x 10-2) (9.80 x 102) =
Viktor [21]
The answer is 46981.2
5 0
3 years ago
What is the guiding formula for combustion reactions​
IgorLugansk [536]

Answer:

Explanation: so a combustion occurs when we react a substance with oxygen .you commonly call this "burning'' .therefore combustion will always include oxygen in the equation and the product will include carbon dioxide and give off water vapours

Therefore the general equation for a complete combustion reaction would be

Fuel + O2 ------ CO2 + H2O

8 0
3 years ago
Describe how you could use a motor in<br> reverse to generate electricity.
NNADVOKAT [17]

Answer: stepper mother is good for that

Explanation:

4 0
3 years ago
Other questions:
  • How many elements are there?
    13·2 answers
  • Percent of water in Na2CO3 • 10H2O
    6·1 answer
  • Why would you be cautious of scientific information you hear from advertisers?
    7·1 answer
  • The thermal transfer of energy by electromagnetic waves through the vacuum of space is called what?
    10·2 answers
  • Hemoglobin, the oxygen-carrying protein in red blood cells, has four iron atoms per molecules ad contains 0.340 percent iron by
    14·1 answer
  • Which best describes how sediment forms?
    10·1 answer
  • When the temperature of a sample of neon gas increases, what else increases? Distance between the atoms Kinetic energy of the at
    10·1 answer
  • The ratio of the moisture content in the air compared to the maximum amount of moisture that the air can hold at its current tem
    8·1 answer
  • 5. Gabi has plans with her friends to go to a concert on her birthday in 4 days. She is so excited that she wants to know how ma
    15·1 answer
  • What minimum temperature is needed to dissolve 60 grams of NH4Cl in 100 g H2O?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!