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2 years ago

12

Bromine, a liquid at room temperature, has a boiling point of 58°C and a melting point of –7.2°C. Bromine can be classified as a

1 answer:

andreev551 [17]2 years ago

7 0

Answer:

Pure substance.

Explanation:

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12. Calculate the hydroxide ion concentration of a solution with pH = 10.25. Show all calculations leading to an answer.

Alex787 [66]

PH= log[H3O+]
10.25=log [H3O+]
[H3O+] = 10^10.25
[H3O+]= 1.778 ×10^10

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3 years ago

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What types of materials are better at absorbing energy from radiation?

natta225 [31]

Answer:

Explanation:

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What is the oxidation state of Fe(s)

ad-work [718]

The oxidation state is zero for Fe (s)

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In the "Design a Thermos" lab, the temperature of the thermos was compared with a container that was not insulated.

Hitman42 [59]

Answer:

B

Explanation:

so you can see the difference

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3 years ago

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Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot

UkoKoshka [18]

X moles of hot water vapor(H2O) * 1 mol Fe3O4 / 4 mol H2O * 233.55g Fe3O4 / 1 mol = 275 g

Solve the equation

x = 4.71 mol of hot water vapor (steam)

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2 years ago