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VARVARA [1.3K]
2 years ago
10

List 2 metals that can be used as fuel

Chemistry
1 answer:
Kazeer [188]2 years ago
6 0

Answer:

Nickel and Copper

Explanation:

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Calculate E∘cell for the following balanced redox reaction:<br><br> 2Cu(s)+Ca2+(aq)→2Cu+(aq)+Ca(s)
Neko [114]

Answer:

FOK I don’t know. I’ll come back to the question

Explanation:

6 0
3 years ago
Molarity formula what is the molarity of a solution in which 3 moles of nacl is dissolved in 1.5 kg of water
Igoryamba
Molarity is..
1.5 kg H₂O = 1.5L H₂O
So...
\frac{moles}{volume} = molarity
\frac{3.0 mol}{1.5L} = molarity
2M = molarity
7 0
3 years ago
Sulfur dioxide gas (SO2) and oxygen gas (O2) react to form the liquid product of sulfur trioxide (SO3). How much sulfur dioxide
taurus [48]
1) Balanced chemical equation:

2SO2 (g) +  O2 (g) -> 2SO3 (l)

2) Molar ratios

2 mol SO2 : 1 mol O2 : 2 mol SO3

3) Convert 6.00 g O2 to moles

number of moles = mass in grams / molar mass

number of moles = 6.00 g / 32 g/mol = 0.1875 mol O2.

4) Use proportions with the molar ratios

=> 2 moles SO2 / 1 mol O2 = x / 0.1875 mol O2

=> x = 0.1875 mol O2 * 2 mol SO2 / 1 mol O2 = 0.375 mol SO2.

5) Convert 0.375 mol SO2 to grams

mass in grams = number of moles * molar mass

molar mass SO2 = 32 g/mol + 2*16 g/mol = 64 g/mol

=> mass SO2 = 0.375 mol * 64 g / mol = 24.0 g

Answer: 24.0 g of SO2 are needed to react completely with 6.00 g O2.
7 0
3 years ago
When dissolved sodium hydroxide reacts with hydrogen sulfate, aqueous sodium, sulfate, water, and heat are formed. Write out the
nignag [31]

Answer:

2 NaOH(aq) + H2SO4(aq) ⇒ Na2SO4 (aq) + 2 H2O(l)

Explanation:

4 0
3 years ago
A cube of steel has dimension 0.2m x 02.m x 0.2m. What is the volume of the cube in cubic centimeters ?
drek231 [11]

Answer:

8000

Explanation:

0.2 x 0.2 x 0.2

then m to cm^3

7 0
3 years ago
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