What is the balanced product of Ba(CN)2+(NH4)2SO4

Chemistry

2 answers:

julia-pushkina [17]3 years ago

7 0

Ba(CN)2 + (NH4)2SO4——-> BaSO4 + 2NH4CN

Alik [6]3 years ago

3 0

Answer: Ba(CN)2 + (NH4)2SO4 => BaSO4 + 2 NH4CN

Explanation: The reaction will produce BaSO4 Barium sulfate and NH4CN Ammonium cyanide.

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balandron [24]

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4 0

3 years ago

A piece of aluminum weighing 10.0 grams is placed into a graduated cylinder that has an initial volume (before immersion) of 35.

padilas [110]

Answer:

The density of the metal sample is 2.70 $\frac{grams}{mL}$

Explanation:

Density is a magnitude that allows you to measure the amount of mass in a given volume of a substance. Then, the expression for the calculation of density is the ratio between the mass of a body and the volume it occupies:

$d=\frac{m}{V}$

Density, according to the International System of Units, is usually expressed in kilograms per cubic meter (kg / m3) or gram per cubic centimeter (g / cm3). Although it can also be expressed in any other unit of mass by volume.

So, for the calculation of density you know that:

mass of the sample= 10 grams
volume of the sample = volume on the cylinder after immersion - volume on the cylinder before immersion= 38.7 mL - 35.0 ml = 3.7 mL

Then:

$d=\frac{10 grams}{3.7 mL}$