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IRINA_888 [86]
3 years ago
7

Please help me ........

Chemistry
1 answer:
Eddi Din [679]3 years ago
3 0
H, i’m not entirely sure but from what i know about land and plates and how they work, h is the best answer
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What is the molarity of a solution containing 7.47 moles of solute in 4.31 liters of<br> solvent?
scoray [572]

Answer:

1.73 M

Explanation:

Molarity is moles per liter, so we need to divide 7.47 moles by 4.31 liters to get the molarity of the solution.

7.47/4.31 ≈ 1.73 M

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3 years ago
What is an atom that has the same number of protons as other atoms of the same element, but has a different number of neutrons?
PSYCHO15rus [73]

Answer:

isotopes

Atoms with the same number of protons but different numbers of neutrons are called isotopes. Because the number of neutrons can vary for a given element, the mass numbers of different atoms of an element may also vary. For example, some helium atoms have three neutrons instead of two (these are called isotopes and are discussed in detail later on)

Explanation:

4 0
3 years ago
i like this guy but i don't think he likes me back. he also goes to school somewhere else, but we see eachother every friday. he
Firdavs [7]
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3 0
3 years ago
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a solution must be at a higher temperature than a pure solvent to boil. what colligative property can be employed to achieve thi
Kazeer [188]

Boiling-point elavation.

6 0
3 years ago
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A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
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Answer:

B

Explanation:

962,320 J

230 nutritional Calories in Joules is 962,320 J

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