Lucille Davidson

2022-01-10

A piece of aluminum foil 1.00 cm square and 0.570 mm thick is allowed to react with bromine to form aluminum bromide. How many moles of aluminum were used? (The density of aluminum is 2.699 g/cm3.)

Linda Birchfield

Beginner2022-01-11Added 39 answers

Using the given area and thickness, find the volume of aluminum foil.

From the given density and obtained volume, calculate the mass of foil.

From the obtained mass and molar mass of aluminum, calculate the amount of moles used as below.

Answer:

The moles of aluminium used were 0.00571 moles.

Jeffery Autrey

Beginner2022-01-12Added 35 answers

22+64

When a cold drink is taken from a refrigerator, its temperature is 5 degree C. After 25 minutes in a 20 degree C room its temperature has increased to 10 degree C. What is the temperature of the drink after 50 minutes?

How many minutes are there in $2\frac{3}{5}$ hours?

Find the answer for $64$ power $\frac{1}{6}$.

The following law describes the relationship between gas volume and pressure: ________. A)Boyle's law; B)Henry's law; C)Charles' law; D)Dalton's law

If an electric switch is open then no current flows through the circuit.

A)True;

B)FalseThe price elasticity of supply of a good is 0.8. Its price rises by 50 per cent. Calculate the percentage increase in its supply.

How many quarts are in 10 gallons?

When the net force acting on an object is zero, the total momentum of the system will:

A)remain constant;

B)increase with time;

C)decrease with time;

D)None of theseHow many centimeters are in four meters?

A notebook computer has a mass of 2.25 kilograms. About how many pounds does the notebook weigh?

If the dot product of two non-zero vectors is zero, then the vectors A)are parallel to each other. B)are perpendicular to each other. C)can have any orientation. D)are anti-parallel to each other.

Which is longer 5 miles or 10 kilometers?

9 grams is how many milligrams?

How to write $673.5$ in scientific notation?