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-BARSIC- [3]
2 years ago
6

What reaction is zinc(s) + water(l) →

Chemistry
2 answers:
Marat540 [252]2 years ago
8 0

Answer:

Zn+H2O ------ ZnO + H2 is the correct answer

KonstantinChe [14]2 years ago
4 0

<h2>Zn + H²O -----> ZnO + H²</h2>

<h2>follow me</h2>
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How do you solve for the Atomic Mass in chemistry?
loris [4]
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Here is the link to a great video that explains your question nicely, hope this helps.
6 0
3 years ago
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What is true of a basic solution at room temperature? it has a ph value below 7. it has a greater concentration of hydroxide com
slega [8]
The true statement about basic solution at room temperature is that it has a greater concentration of hydroxide compared to hydronium ions.
Basic solutions have always pH greater than 7.
Basic solutions have bitter and caustic taste.
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7 0
3 years ago
How many grams of sulfur must be burned to give 100.0 g of So2
andriy [413]

Answer:

50 g of S are needed

Explanation:

To star this, we begin from the reaction:

S(s) + O₂ (g) →  SO₂ (g)

If we burn 1 mol of sulfur with 1 mol of oxygen, we can produce 1 mol of sulfur dioxide. In conclussion, ratio is 1:1.

According to stoichiometry, we can determine the moles of sulfur dioxide produced.

100 g. 1mol / 64.06g = 1.56 moles

This 1.56 moles were orginated by the same amount of S, according to stoichiometry.

Let's convert the moles to mass

1.56 mol . 32.06g / mol = 50 g

4 0
2 years ago
What has the lowest density out of solids, liquids, and gas?
qaws [65]

Answer:

Explanation:

gas

8 0
3 years ago
Read 2 more answers
SHOW WORK AND INCLUDE UNITS
Ber [7]

Answer:

36365.4 Joules

Explanation:

The quantity of Heat Energy (Q) released on cooling a heated substance depends on its Mass (M), specific heat capacity (C), and change in temperature (Φ)

Thus, Q = MCΦ

Since, M = 45.4 g

C = 3.56 J/g°C,

Φ = 250°C - 25°C = 225°C

Q = 45.4g x 3.56J/g°C x 225°C

Q= 36365.4 Joules

Thus, 36365.4 Joules of heat energy is released when the lithium is cooled.

6 0
3 years ago
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