Charles Kingsley
2022-01-03
Lynne Trussell
Beginner2022-01-04Added 32 answers
Step 1
Mass of chlorine
Find the mass of chlorine.
Step 2
Convert the masses of these elements to moles using molar masses. Then determine the number of moles of each element relative to the other elements. Divide all quantities by the smallest amount of moles.
Therefore, the empirical formula is
Debbie Moore
Beginner2022-01-05Added 43 answers
karton
Expert2022-01-10Added 613 answers
Step 1
From the given:
Reacted mass of nitrogen = 0.77 mg
Mass of chlorine = 6.615 mg
Reacted mass of chlorine = 6.615 mg - 0.77 = 5.84 mg
Mass of Nitrogen
Mass of chlorine
Each value is divided by small number
Therefore, empirical formula is
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 hours?
Find the answer for power .
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)False
The 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 these
How 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 in scientific notation?