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vova2212 [387]
2 years ago
13

The list shows a number of common chemical substances. [5]

Chemistry
1 answer:
SVETLANKA909090 [29]2 years ago
3 0

Answer: Not sure ;c

Explanation:

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2. Why do you think electroplated jewelleries are in demand?<br> Chemistry plsss
Ivan

Explanation:

Electroplated jeweleries are in demand because firstly they are as shiny and attractive as real jeweleries, they are also light weighted and cost effective.

8 0
2 years ago
Choose all that apply.
Mashutka [201]
A and D would be correct
5 0
2 years ago
Determine the AMOUNT OF NO2, LIMITING REACTANT, AND THE AMOUNT AND NAME OF EXCESS REACTANT.
zepelin [54]

Answer:

balanced equation mole ratio 5 2 mol NO/1 mol O2

10.00 g O2 3 1 mol O2/32.00 g O2 5 0.3125 mol O2

20.00 g NO 3 1 mol NO/30.01 g NO 5 0.6664 mol NO

actual mole ratio 5 0.6664 mol NO/0.3125 mol O2 5 2.132 mol NO/1.000 mol O2

Because the actual mole ratio of NO:O2 is larger than the balanced equation mole

ratio of NO:O2, there is an excess of NO; O2 is the limiting reactant.

Mass of NO used 5 0.3125 mol O2 3 2 mol NO/1 mol O2 5 0.6250 mol NO

0.6250 mol NO 3 30.01 g NO/1 mol NO 5 18.76 g NO

Mass of NO2 produced 5 0.6250 mol NO2 3 46.01 g NO2/1 mol NO2 5 28.76 g NO2

Excess NO 5 20.00 g NO 2 18.76 g NO 5 1.24 g N

Explanation:

3 0
2 years ago
2. A 90 g bag of trail mix is contains 22% nuts, 35% granola, 18% dried fruit. The rest is chocolate chips.
elena-14-01-66 [18.8K]
There are:

19.8g of nuts (90x0.22=19.8)
31.5g of granola (90x0.35=31.5)
16.2g of dried fruit (90x0.18=16.2)
22.5g of chocolate chips (90x0.25=22.5)
4 0
3 years ago
How many atoms are there in 4.13 moles of nickel (Ni)
Rudik [331]

Answer:

2.48626 x 10^24

Explanation:

We multiple 4.13 by avogadro's number to get that.

6 0
3 years ago
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