3 years ago

What are two physical properties of lead?

Chemistry

1 answer:

Anon25 [30]3 years ago

8 0

Answer:

low melting point, high density, and acid resistance

Explanation:

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A solution consists of 35.00 g of CuSO4 dissolved in 250.0 mL of water. The molar mass of Cu is 63.55 g/mol the molar mass of S

8_murik_8 [283]

Answer:

0.87708moldm-3

Explanation:

$molar \: mass \: of \: cuso4 = 63.55 + 32.07 + 4(16.00) \\ =159.62gmol {}^{ - 1} \\ mole(n) = \frac{mass}{molar \: mass } \\ n = \frac{35}{159.62} \\ n = 0.21927mol \\ molarity = \frac{n}{v} \\ molarity = \frac{0.21927}{0.25} \\ molarity = 0.87708moldm {}^{ - 3}$

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3 years ago

contrast longitudinal and transverse waves by describing the particle movement in sound and water waves :

Airida [17]

Answer: In a transverse wave, the particles of the medium move perpendicular to the wave's direction of travel. Transverse waves are characterized by peaks and valleys, called crests and troughs. In a longitudinal wave, the particles of the medium move parallel to the wave's direction of travel.

Explanation:

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3 years ago

Which of the following increases the H* concentration in solution?

NNADVOKAT [17]

Acid, I’m pretty sure

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3 years ago

Evaluate - if you put a scale in an elevator and weigh yourself as you ascend and the descend, does the scale have the same read

N76 [4]

No, when ascending, you would weigh more, and when you descend, you weigh less.

This is due to the difference in the effect of gravity.

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