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IceJOKER [234]
2 years ago
6

If the following arithmetic operations are carried out, how many significant figures should be reported in the answer?32 + 0.56

+ 0.210 + 3.3
Chemistry
1 answer:
PtichkaEL [24]2 years ago
6 0

Answer:

2

Explanation:

The least number of significant figures in any term is 2.

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11 points In your lesson today you learned that items can be dissolved faster when
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The answer is D.) All of the above

Explanation:

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3 years ago
What is the completed balanced reaction for the replacement Al×H2SO4
dsp73

Answer:

2 Al(s) + 3 H₂SO₄(aq) ⇒ Al₂(SO₄)₃(aq) + 3 H₂(g)

Explanation:

Let's consider the unbalanced equation for the single replacement reaction between Al and H₂SO₄.

Al(s) + H₂SO₄(aq) ⇒ Al₂(SO₄)₃(aq) + H₂(g)

We will begin balancing S atoms by multiplying H₂SO₄ by 3.

Al(s) + 3 H₂SO₄(aq) ⇒ Al₂(SO₄)₃(aq) + H₂(g)

Then, we balance Al atoms by multiplying Al by 2.

2 Al(s) + 3 H₂SO₄(aq) ⇒ Al₂(SO₄)₃(aq) + H₂(g)

Finally, we get the balanced equation by multiplying H₂ by 3.

2 Al(s) + 3 H₂SO₄(aq) ⇒ Al₂(SO₄)₃(aq) + 3 H₂(g)

8 0
3 years ago
Simplify :: 3/8 + 7/2 + (-3/5) + 9/8 + (-3/2) + 6/5​
Mariana [72]

Answer:

4.1/  \frac{41}{10}

Explanation

Do the calculation carefully because this calculation has negative term.

I hope you will understand.

3/8 + 7/2 + (-3/5) + 9/8 + (-3/2) + 6/5​

31/5+(-3/5)+(-3/2)

41/10

4.1

8 0
4 years ago
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