4 years ago

A substance produced by some insects that was used to make records before world war II

Chemistry

1 answer:

ryzh [129]4 years ago

7 0

Are you doing that science crossword puzzle?

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Write net Brønsted equations that show the acidic or basic nature of the following solutions in water. For polyprotic species (v

Snezhnost [94]

Answer:

The reactions are shown in the explanation

Explanation:

The net bronsted equation will include the acid / base and its dissciated product. (conjugate base or acid and hydrogen or hydroxide ions)

a) Vinegar

$CH{3}COOH+H_{2}O--->CH{3}COO^{-}+H_{3}O^{+}$

b) bleach

$NaOCl+H_{2}O--->HOCl+Na^{+}+OH^{-}$

c) ammonia

$NH_{3}+H_{2}O--->NH_{4}^{+}+OH^{-}$

d)Vitamin C

$H_{2}C_{6}H_{6}O_{6}+H_{2}O--->HC_{6}H_{6}O_{6}^{-}+H_{3}O^{+}$

e)Citric acid

$H_{3}C_{6}H_{6}O_{7}+H_{2}O--->H_{2}C_{6}H_{6}O_{7}^{-}+H_{3}O^{+}$

f) Washing soda

$Na_{2}CO_{3} +H_{2}O--->NaHCO_{3}^{-}+OH^{-}$

3 0

3 years ago

Which of these happens when the warm water gets to the North and South Poles

Airida [17]

Answer:It creates a heat source on the cold water and the molecules act against each other and then it becomes steam.

Explanation:I had to take this on a test.

6 0

3 years ago

Exercise while in space is important because it PREVENTS what?

dsp73

Answer:

bone loss and muscle deterioration

Explanation:

this helps the body keep thriving and bones strong and muscles in tact

8 0

4 years ago

How many moles of atoms are in 3.011 x10^23 atoms mg

Naddika [18.5K]

Answer:

lolll

Explanation:

lolll

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3 years ago

PLEASE HELP ME!!! When two atoms combine to form a compound, one atom pulls electrons from the other atom towards itself. The at

Ainat [17]

Answer:

The pulling atom is oxidized while the pulled atom is reduced. Grade 9 Chemistry

Explanation:

6 0

3 years ago