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Nat2105 [25]
2 years ago
9

What substance and mixture have in common?

Chemistry
1 answer:
Rainbow [258]2 years ago
7 0

Answer:

alloys, iodized water, etC

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NEED HELP ASAP!!
Andre45 [30]

Answer:

The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the reaction of ammonia, NH3, with sulfuric acid: 2 NH3 (g) + H2SO4 (aq)  (NH4)2SO4 (aq)

How many moles of ammonium sulfate are produced if 1.50 moles of ammonia react completely at STP? Answer: The balanced equation indicates that 2 moles of NH3 react to produce 1 mole of (NH4)2SO4.

1.50 moles NH3 x 1 mol (NH4)2SO4 = 0.750 moles (NH4)2SO4

Explanation:

6 0
2 years ago
Independent, dependent, and controlled variable?
Arlecino [84]
I would personally say a Controlled Variable because you are purposefully not spraying the other arm.
3 0
3 years ago
The water for the pan is not saturated with co2. will the reported percent caco3 in the original sample be too high, too low, or
enot [183]

Co2 will dissolve in water if water is saturated with Co2 first then it will absorb some of CO2 it appear as less is absorb that was actually the case . this would make it appear as present of CACO3 is in original sample is lower than it will be too low

8 0
3 years ago
Convert 3.8 meters to cm
mixas84 [53]
3.8 Meters converts to 380 Centimeters.
6 0
2 years ago
Coke is an impure form of carbon that is often used in the in-dustrial production of metals from their oxides. if a sample of co
olasank [31]
The reaction equation is:
<span>2CuO(s) + C(s) </span>→ <span>2Cu(s) + CO</span>₂<span>(g)

First, we determine the number of grams present in one ton of copper oxide. This is:
1 ton = 9.09 x 10</span>⁵ g

We convert this into moles by dividing by the molecular mass of copper oxide, which is:
9.09 x 10⁵ / 79.5 = 11,434 moles

Each mole of carbon reduces two moles of copper oxide, so the moles of carbon required are:
11,434 / 2 = 5,717 moles of Carbon required

The mass of carbon is then:
5,717 x 12 = 68,604 grams

The mass of coke is:
68,604 / 0.95 = 72,214 g

The mass of coke required is 7.22 x 10⁴ grams
5 0
3 years ago
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