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erastova [34]
3 years ago
15

Calculate the number of moles in 3.01 x 1024 atoms of Krypton.

Chemistry
1 answer:
Kaylis [27]3 years ago
6 0

Answer:

So 3.01×10236.022×1023mol−1 is clearly 1/2 a mole of silicon atoms. You should be quickly able to tell me the mass of this quantity of silicon atoms.

I think or 1/3 a mole Id k I’m just starting to learn this ok

Explanation:

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If a dog has a mass of 21.5 kg, what is its mass in the following units? Use scientific notation in all of your answers.
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Answer:

grams- 21500

milligrams- 2.15e+7

micrograms- 2.15e+10

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3 years ago
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11111nata11111 [884]

Answer:

C.) 3 is the correct answer

7 0
3 years ago
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Mention the four characterstics of warm blooded animals.<br>​
Igoryamba

Answer:

The four characrteristics of warm blooded animals are÷

Explanation:

i=They can keep its body temperature the same no matter what the outside temperature .

ii=They can maintain a constant body temperature.

iii=They obtain energy from food consumption.

iv=They maintain their body temperature higher than environment.

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3 years ago
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When a solution containing 1.4000 g of Ba(NO3)2 and 2.4000 g of HSO3NH2 is boiled, a precipitate forms. One possible identity fo
Marta_Voda [28]

Answer:

See explanation for detailed solution

Explanation:

The balanced reaction equation is Ba(NO3)2 + 2HSO3NH2 → Ba(SO3NH2)2 + 2HNO3

Number of moles of Ba(NO3)2 = 1.4 g/ 261.337 g/mol = 5.36 × 10^-3 moles

From the reaction equation;

1 mole of Ba(NO3)2 yields 1 mole of Ba(SO3NH2)2

5.36 × 10^-3 moles of Ba(NO3)2 yields 5.36 × 10^-3 moles of Ba(SO3NH2)2

For HSO3NH2

Number of moles = 2.4g/97.10 g/mol =0.0247 moles

2 moles of HSO3NH2 yields 1 mole of Ba(SO3NH2)2

0.0247 moles of HSO3NH2 yields 0.0247 ×1/2 = 0.0137 moles

Hence, Ba(NO3)2 is the limiting reactant

The theoretical yield of Ba(SO3NH2)2 is 5.36 × 10^-3 moles × 329.4986 g/mol = 1.766 g

b)

Number of moles = mass/ molar mass

Molar mass = mass/ number of moles

Molar mass = 1.6925 g/5.36 × 10^-3 moles = 315.76 g

7 0
3 years ago
Plz help me
AlekseyPX
All of the above would be the answer


mark me brainliest
8 0
3 years ago
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