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Ammonia is produced from its elements in a formation reaction. If 8.93 x 1024 molecules of ammonia are produced, how many moles of hydrogen were used?
Ammonia is produced from its elements in a formation reaction. If 7.10 x 1024 molecules of ammonia are produced, how many moles of ammonia was produced?
Butane gas, C4H10, is combusted to produce carbon dioxide and water vapour. If 0.75 mol of butane are reacted, how many moles of carbon dioxide are produced?
b. How long will a call be responded if it has a z-score of – 1.83?
A random variable has PDF p_i = 2(1/3)^i and takes on values in the positive integers. What is the probability that it takes on a value between 10 and 20, inclusive? Show your work step by step.
a cheetah moving with constant acceleration covers the distance between two points 105.0 m apart in 4.7 s. its speed as it passes the second point is 35.5 m/s what are its speed at the first point?
A gases in a hair spray can are at a temperature of 27°C and a pressure of 30 mmHg. If the gases in the can reach a pressure of 90mmHg, the can will explode. To what temperature must the gases be raised in order for the can to explode? Assume constant volume
A car park has the following charges. The 1st hours cost RM2.00. The sub sequent hours cost RM1.00 per hour. Write a program for this problem.
How many moles of watr
gas?
are needed to produce 5.00 x1022 molecules of hydrogen
Liquid octane (CH3 (CH2)6 CH3) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO,) and gaseous water (H, O). What is the
theoretical yield of water formed from the reaction of 42.3 g of octane and 136. g of oxygen gas?
Be sure your answer has the correct number of significant digits in it.
#340153 on Dec 2023