2 years ago

Rounding to significant figures?

Chemistry

1 answer:

Serggg [28]2 years ago

3 0

Answer:

7.17

Explanation:

its 7.17 because of the 6

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1.) What are the two broad categories that elements can be divided into?

hoa [83]

Answer:

1) Metals and nonmentals

2) Elements: Oxygen ( $O_{2} \\$ ) , Nitrogen ( $N_{2}$

3) Compounds: Carbon Dioxide $CO_{2}$ , Methane $CH_{4}$ , Nitrogen Dioxide $NO_{2}$

Explanation:

5 0

3 years ago

What is the redox half equation for 3Ag2S + 2Al --> 6Ag + Al2, and identity which material is oxidized and which is reduced?

marta [7]

Answer:

Al is oxidized while Ag is reduced.

Explanation:

The complete molecular equation is;

3Ag2S + 2Al --> 6Ag + Al2S3

Oxidation half equation;

2Al ------> 2Al^3+ + 6e

Reduction half equation;

6Ag^+ + 6e -------> 6Ag

Overall redox reaction equation;

2Al + 6Ag^+ ----->2Al^3+ + 6Ag

Hence; Al is oxidized while Ag is reduced.

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2 years ago

___ the volume of a gas <br><br> Which of the following will hold its shape?

monitta

the answer is plasma

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3 years ago

1. The elements on the Periodic Table are arranged in order of increasing

s344n2d4d5 [400]

Answer:

Atomic number

Explanation:

8 0

2 years ago

Read 2 more answers

Answer the ones please get right

Natali [406]

Answer:

Hope this helps!

Explanation:

I would help you, but I won't. Because you take others people points without helping them and but random words. So, since you are doing that I won't be helping you <3. Thanks for the points idiot.

6 0

3 years ago