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Orlov [11]
3 years ago
9

HELP!!

Chemistry
1 answer:
NARA [144]3 years ago
8 0
A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.
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How fast is the speed of light?
Tpy6a [65]

The speed of light is 299,792,458 meters per second in vacuum.
It's somewhat slower in any material substance, and different in
each substance.

(That's 186,282.4  miles per second.)


7 0
3 years ago
A solution that contains a large amount of salt and a small amount of water is said to be a _______ solution. A. diffused B. uns
Pachacha [2.7K]

Answer:

D. Concentrated

Explanation:

5 0
3 years ago
Read 2 more answers
URGENT!
irga5000 [103]

Answer:

GAY-LUSSAC'S LAW.

Explanation:

P1 = 765 torr

T1 = 23°C = 296K

P2 = 560. torr

T2 = ?

(765 torr)/(296K) = (560. torr)/ T2

T2 = 226 K = -57°C

7 0
3 years ago
What is/are the product(s) of a neutralization reaction of a carboxylic acid? View Available Hint(s) What is/are the product(s)
lutik1710 [3]

Answer:

A carboxylate salt and water

Explanation:

A carboxylic acid is an organic compound that has general formula RCOOH, where R is a carbon chain. Because it's an acid, the neutralization will happen when it reacts with a base, such as NaOH.

When this reaction occurs, the base will dissociate in Na⁺ and OH⁻, and the acid will ionize in RCOO⁻ and H⁺, so the products will be RCOO⁻Na⁺ (a carboxylate salt) and H₂O (water).

7 0
3 years ago
The temperature of a substance _______ as its heat of fusion is added to melt the substance. A. increases B. remains constant C.
Alexeev081 [22]
The answer would be B. remains constant.
6 0
3 years ago
Read 2 more answers
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