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Nesterboy [21]
3 years ago
12

Convert a speed of 6.10 mi/s

Chemistry
1 answer:
Jet001 [13]3 years ago
5 0

Answer:

the answer will be provided by an expert. Until then, select the button "talk to a tutor".

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Distillation is a _____________ separation technique.
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Answer:

physical

Explanation:

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Give the name of the element that is a member of the alkali metal family whose most stable ion contains 2 electrons.
notka56 [123]
Lithium

Li → Li⁺ + e⁻

Li 1s²2s¹ → Li⁺ 1s² + e⁻
3 0
4 years ago
When the temperature of a sample of pure water is raised above 25 °C,(1)the hydronium ion concentration will be greater than the
Ludmilka [50]

Answer:

The correct answer is option 3.

Explanation:

H_2O\rightleftharpoons H^++OH^-

The expression of K_w is given by :

K_w=[H^+][OH^-]

K_w\propto [H^+]

K_w\propto [OH^-]

Rise in temperature will result in more dissociation of water molecules into hydrogen ions and hydroxide ions.

With an increase in concentration of hydrogen ions and hydroxide ions value of K_w will also increase.

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4 years ago
Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that
Minchanka [31]

Answer: the answer is D

Explanation:

7 0
3 years ago
What volume of 6.00 M hydrochloric acid is required to make 0.50 L of 0.20 M solution of hydrochloric acid
WINSTONCH [101]

Answer:

16.7 mL of 6.0 M HCl

Explanation:

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