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mote1985 [20]
2 years ago
15

If 2.50 mol of copper and 5.50 mol of silver nitrate are available to react by single replacement, identify the limiting reactan

t
Chemistry
1 answer:
PIT_PIT [208]2 years ago
7 0

Answer:

The limiting reactant is the copper

Explanation:

Moles are the standard unit at which you can compare values, and copper has fewer moles than Silver nitrate, so in a reaction, it would be used up first, leaving Silver nitrate in excess.

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He density of water is 1 g/mL.
balandron [24]

#1

Density of lead=11.3g/L

Times greater

  • 11.3/1=11.3times

#2

Density of cork=0.24g/mL

Times lesser

  • 0.24/1
  • 0.24times
5 0
2 years ago
A certain alcohol contains only three elements, carbon, hydrogen, and oxygen. Combustion of a 60.00 gram sample of the alcohol p
marin [14]

Answer:

C_2H_6O

Explanation:

The first step is the <u>calculation of the moles</u> of H_2O and CO_2, so:

114.6~g~CO_2\frac{1~mol~CO_2}{44~g~CO_2}=2.6~mol~of~CO_2

70.44~g~H_2O\frac{1~mol~H_2O}{18~g~H_2O}=~3.9~mol~H_2O

Now, in 1 mol of CO2 we have 1  mol of C and in 1 mol of H_2O we have 1 mol of H. Additionally, if we want to calculate the moles of oxygen we need to <u>calculate the grams of C and O</u> and then do the <u>substraction</u> form the initial amount, so:

2.6~mol~CO_2\frac{1~mol~C}{1~mol~CO_2}\frac{12~g~C}{1~mol~C}=31.25~g~of~C

3.9~mol~H_2O\frac{2~mol~H}{1~mol~H_2O}\frac{1~g~H}{1~mol~H}=7.82~g~of~H

Total~grams=~31.25~+~7.82=39.08~g

grams~of~O=60.00~g-~39.08~g=20.92~g~of~O

Now we can <u>convert the grams</u> of O to moles, so:

20.92~g~of~O\frac{1~mol~O}{16~g~O}=1.30~mol~O

The next step is to divide all the mol values by the <u>smallest one</u>:

O=\frac{1.30~mol~O}{1.30~mol~O}=~1

C=\frac{2.6~mol~C}{1.30~mol~O}=~2

H=\frac{7.82~mol~H}{1.30~mol~O}=6

Therefore the formula is C_2H_6O

6 0
3 years ago
The population of wild turkeys in an area tripled over the course of three years. Which of the following could be a contributing
Aliun [14]
Decrease in predators because then the wild turkeys won't be killed.
3 0
3 years ago
Uestion 3 (1 point)
elena-s [515]

Answer:

density=mass/volume.

density=14/18

=0.777777777 ~ 0.8g/ml.

It will float because the it lesser than the density of water.

6 0
3 years ago
Read 2 more answers
Will mark brainliest!!
olga2289 [7]

Answer:

I think its B im not sure

but i hope this helps

6 0
3 years ago
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