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3 years ago

14

21. Which of the following statements is true about ions?

1 answer:

cupoosta [38]3 years ago

3 0

Answer:

a.cations form when an atom gains electrons

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Using the brønsted theory, classify the compounds as either an acid or a base

Natali5045456 [20]

Answer:

all the below are ACIDS

Explanation:

1.HCOO- Formate

HCOO- is a conjugate base.

2.HNO3- Nitric Acid

Acid

3.CH3COOCH3: Methyl acetate

Acid

4. HCOOH: Formic Acid

Acid

Hope it helps..pls mark as brainliest!

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3 years ago

A steel cylinder has a pressure of 550 torr at 177 degrees Celsius. What will be the pressure if the temperature is decreased by

storchak [24]

Answer:

270.34

Explanation:

pressure, 550 pressure, 270.34

______________ = ___________

177 degree celsius. 87 degree celsius.

550 x 87 / 177 = 270.34

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2 years ago

Which factor causes chemical weathering it for science

VMariaS [17]

Answer:

acid or sunlight

Explanation:

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3 years ago

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A point of reference is anything that seems steady that is used compare the position of an object

Masja [62]

Answer:

True

Explanation:

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3 years ago

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100 POINTS HELP WILL GIVE BRAINLIEST

vodomira [7]

b. testing the hypothesis

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1 year ago