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2 years ago

Which of the following are Cations? (Select all that apply)

Chemistry

1 answer:

AleksandrR [38]2 years ago

5 0

Answer:

k(+)

NH4(+)

Al3(+)

Explanation:

cations are those elements who donate their electrons and we put a positive charge on it and receivers get negative charge and they are called anion.....Thank you so,much Please let me know how you feel and is helps you or not....

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How many moles of iron are there in 55.85g of Fe3O4

soldier1979 [14.2K]

Answer:

• Molecular mass of Iron (III) tetraoxide

$\dashrightarrow \: { \tt{(56 \times 3) + (16 \times 4)}} \\ = { \tt{168 + 64}} \\ = { \tt{232\:g}}$

[ molar masses: Fe → 56, O → 16 ]

$\dashrightarrow \:{ \rm{232 \: g \: = 1 \: mole}} \\ \\ \dashrightarrow \: { \rm{55.85 \: g = ( \frac{55.85}{232}) \: moles }} \\ \\ \dashrightarrow \: { \boxed{ \tt{ = 0.24 \: moles}}}$

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2 years ago

Help me Please<br><br> Is boiling an egg a physical or a chemical change? Explain your answer.

Blababa [14]

Answer:

it's a chemistry change

Explanation:

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1 year ago

What is 1 +1 (a) 11 (b) 3 (c) 6 (d) 2

Doss [256]

I believe the answer is D) 2

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3 years ago

Read 2 more answers

How many kilojoules (KJ) in 3.58 x 10^4 Calories?

Delicious77 [7]

Answer:

The answer to your question is: letter B

Explanation:

Data

3.58 x 10⁴ cal to joules

1 calories --------------- 4.184 joules

3.58 x 10⁴ cal----------- x

x = ( 3.58 x 10⁴ x 4.184) / 1

x = 149787.2 joules

x = 1.5 x 10⁵ J

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2 years ago

HELP FAST!!!

AfilCa [17]

Answer:

the fourth one I think....m

Explanation:

tfffffdd

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2 years ago