2 years ago

The rate of acceleration of an object is determined by the mass of the object and...

Chemistry

1 answer:

GREYUIT [131]2 years ago

7 0

Answer:

a. forces acting on the object

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Write the chemical equations for each of the reactions described below:

Cerrena [4.2K]

Answer:

BeCl2 + 2AgNO3 ---> Be(NO3)2 + 2AgCl

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3 years ago

Even though lead is toxic, lead compounds were used in ancient times as white pigments in cosmetics. What is the percentage of l

Gekata [30.6K]

Answer: The mass percent of lead in lead (IV) carbonate is 63.32 %

Explanation:

The given chemical formula of lead (IV) carbonate is $Pb(CO_3)_2$

To calculate the mass percentage of lead in lead (IV) carbonate, we use the equation:

$\text{Mass percent of lead}=\frac{\text{Mass of lead}}{\text{Mass of lead (IV) carbonate}}\times 100$

Mass of lead = (1 × 207.2) = 207.2 g

Mass of lead (IV) carbonate = [(1 × 207.2) + (2 × 12) + (6 × 16)] = 327.2 g

Putting values in above equation, we get:

$\text{Mass percent of lead}=\frac{207.2g}{327.2g}\times 0100=63.32\%$

Hence, the mass percent of lead in lead (IV) carbonate is 63.32 %

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3 years ago

How does ice float on water? Why does solid ice float on liquid water?

kifflom [539]

Answer:

Because there is trapped air inside the cube of ice

Explanation:

when water freezes it has water molecules and air molecules and as it freezes they move slower and slower until it freezes and they become stuck

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3 years ago

Define a transverse wave

Mumz [18]

Transverse wave, motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance. Surface ripples on water, seismic S (secondary) waves, and electromagnetic (e.g., radio and light) waves are examples of transverse waves.

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which person possessed the expeirence and to be commander in chief and continental army, in John Adams opinion?

sasho [114]

George Washington is your answer

Hope this helps!

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