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
Lisa [10]
3 years ago
7

Plz help chemistry test

Chemistry
1 answer:
Nataly [62]3 years ago
4 0

Answer:

plants take carbon dioxide out of the atmosphere and use the energy from sunlight to combine the carbon dioxide and water to form sugar and oxygen

You might be interested in
Fecl3 reacts with only one of the two compounds aspirin and salicylic acid with which part of a molecule does fecl3 react
lara [203]
FeCl3 very commonly reacts with phenol groups.

hope this helps!!
8 0
3 years ago
Read 2 more answers
All of the following are examples of suspensions except what?:
artcher [175]
Dust particles in the air
6 0
3 years ago
Provide a title short explanation or description accompanying an illustration or a photograph ​
alexdok [17]
A small, green frog wearing a strawberry on its head as a hat

6 0
3 years ago
You have 400 kg of a radioactive substance with a short half-life of 1000 years. how much will be left after these times?
Amiraneli [1.4K]
Half-life of a radioactive substance is the time required to reduce the amount of substance to half of its initial amount. 

In present case, half-life is material is given as 1000 years and initial amount of material is given as 400 kg
 
Answer 1) Since, half-life of radio-active substance is 1000 years, therefore after 1st half life, amount of the material will be left to half the initial amount. Hence, amount of substance left after 1000 years = 400/2 = 200 kg.

Answer 2) For 2000 years, radioactive material has crossed 2 times the half life. Therefore ,  amount of the material will be left to 1/4 the initial amount. Hence, amount of substance left after 2000 years = 400/4 = 100 kg.

Answer 3) 
 For 4000 years, radioactive material has crossed 4 times the half life. Therefore , amount of the material will be left to 1/16 the initial amount. Hence, amount of substance left after 4000 years = 400/16 = 25 kg.
8 0
3 years ago
PH + pOH = 14. What is the hydroxide concentration of a solution with pH of 8?
sladkih [1.3K]
PH + pOH = 14
pOH=14-8=4
(OH-)=10^-4
4 0
3 years ago
Other questions:
  • A solution is prepared by dissolving 91.7 g fructose in 545 g of water. Determine the mole fraction of fructose if the final vol
    12·1 answer
  • How many electrons are transferred during the formation of one molecule of al2o3?
    8·1 answer
  • An electron is a negatively charged subatomic particle.<br> Question 3 options:<br> True<br> False
    6·1 answer
  • Which element is oxidized and which is reduced in the following reactions? (Part A) N2(g) + 3H2(g) →2NH3(g) Express your answers
    13·2 answers
  • What is the formula for the molecular compound disulfur decafluoride?
    7·2 answers
  • L
    10·1 answer
  • Explain the energy changes that occur when the following reaction happens:
    8·1 answer
  • 1. What volume of a 2.50M Kl(aq) is needed to make 200 ml of a 1.OOM KI)aq)?
    6·1 answer
  • The fastest train on earth, the TGV in france, can travel 800 miles in 2.5. what is the speed?​
    11·1 answer
  • As the temperature of a gas increases, _____. (select all the options that correctly complete the sentence.)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!