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
Alexxx [7]
3 years ago
7

Please answer these 2 questions

Chemistry
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

Question 8, I think is C describe CR. Question 7 is Chemical reactions produce new substances

Explanation:

You might be interested in
Please hurry Participants in an informal discussion would most likely
Katyanochek1 [597]
The answer is A. use casual, friendly conversation.
5 0
3 years ago
Read 2 more answers
HELPPP PLS
photoshop1234 [79]
I think it could be C maybeee though
6 0
3 years ago
HELP IM TIMEDDDDDDDDDDDD
nadya68 [22]

Answer:

ethier a dessert or a plains

though plains can get rain in the summer

from me living in both

it seems more like a dessert

3 0
3 years ago
Read 2 more answers
Determine the number of molecules in a 100. gram sample of CCl4
enyata [817]
100. g CCl4* (1 mol CCl4/ 153.8 g CCl4)* (6.02*10^23 CCl4 molecules/ 1 mol CCl4)= 3.91*10^23 CCl4 molecules.
(Note that the units cancel out so you get the answer)

Hope this helps~
8 0
3 years ago
Stalactites and stalagmites form as ________ precipitates out of the water evaporating in underground caves.
Fittoniya [83]

Stalactites and stalagmites form as ________ precipitates out of the water evaporating in underground caves.

Group of answer choices

hydrochloric acid

sodium bicarbonate

calcium carbonate

sodium chloride

sodium hydroxide

Answer:

calcium carbonate

Explanation:

A stalactite is an icicle-looking mould that is formed by the precipitation of natural minerals as a result of water dripping from the ceiling, hanging from a cave.

A stalagmites in the other hand, grows upwards and is also a mound that is formed by the deposits of minerals gotten by the water dripping on the floor of a cave.

Therefore, stalactites and stalagmites form as calcium carbonate precipitates out of the water evaporating in underground caves.

4 0
2 years ago
Other questions:
  • This is an inherited characteristic that increases an organism's chance of survival.
    8·1 answer
  • What is a common characteristic of the transitions elements?
    11·1 answer
  • in 1965, the mean price of a new car was $2,650 and the standard deviation was $1,000. In 2011, the mean was $30,500 and the sta
    11·1 answer
  • What things can the atomic radiation help us with
    12·1 answer
  • Combustion analysis of toluene, a common organic solvent, gives 8.20 mg of co2 and 1.92 mg of h2o. if the compound contains only
    11·1 answer
  • How. does knowing the weather forecast affect people making decisions each day?
    15·2 answers
  • Given the following list of atomic and ionic species, find the appropriate match for questions 2-4. Please Explain.
    6·1 answer
  • How does the number of chromosomes in an organism's reproductive cells compare to the number of chromosomes in the organism's bo
    9·1 answer
  • Compared to an atom of C-14, an atom of C-12 has a lesser
    14·1 answer
  • In order to promote the common ion effect, the concentration of the common ion must first:_____.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!