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Softa [21]
2 years ago
11

100 points please help me will also mark brainliest!

Chemistry
2 answers:
REY [17]2 years ago
8 0

The maximum amount of H2O that can form is 0.07125 mole

mixas84 [53]2 years ago
8 0

Reaction

2H₂ + O₂ ⇒ 2H₂O

mole H₂ = 17.14 : 2 g/mole = 8.57

mole O₂ = 1.14 L : 32 g/mole = 0.0356

O₂ as a limiting reactant (smaller mol ratio)

mole H₂O = 2/1 x mole O₂ = 2/1 x 0.0356 = 0.0712

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Answer:

in acetic acid ,there are 4 hydrogen atoms

Explanation:

C H 3 C O O H

3 0
3 years ago
1 km is equal to<br><br> 100 m<br> 10,000 dm<br> 1,000 mm<br> 1,000 cm
vovikov84 [41]
The answer would be B) 10,000 DM is equal to 1 kilometer.
3 0
3 years ago
In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a current of 10.0 A. What m
salantis [7]

Answer : The mass of copper deposit is, 1.98 grams

Explanation :

First we have to calculate the charge.

Formula used : Q=I\times t

where,

Q = charge = ?

I = current = 10 A

t = time = 10 min = 600 sec      (1 min = 60 sec)

Now put all the given values in this formula, we get

Q=10A\times 600s=6000C

Now we have to calculate the number of atoms deposited.

As, 1 atom require charge to deposited = 2\times (1.6\times 10^{-19})  

Number of atoms deposited = \frac{(6000)}{2\times(1.6\times 10^{-19})}=1.875\times 10^{22} atoms

Now we have to calculate the number of moles deposited.

Number of moles deposited = \frac{(1.875\times 10^{22})}{(6.022\times 10^{23})}=0.03113 moles

Now we have to calculate the mass of copper deposited.

1 mole of Copper has mass = 63.5 g  

Mass of Copper Deposited = 63.5\times 0.03113 =1.98g

Therefore, the mass of copper deposit is, 1.98 grams

5 0
3 years ago
Consider the following balanced equation: Cu + 2AgNO3 Cu(NO3)2 + 2Ag How many moles of AgNO3 would be needed to produce 2.8 mole
S_A_V [24]
2.8(2/1)=5.6 moles of AgNO3 would be  needed
8 0
3 years ago
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WILL MARK BRAINLIEST!!From where does geothermal energy come?
damaskus [11]

Answer:

A)from deep within the earth

Explanation:

5 0
3 years ago
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