How many moles of h are present in the sample
The % mass composition of 0.1458g sample of a compound was measured by burning the compound in an excess of oxygen. Analysis of the products revealed that 0.1356 g of water were produced. How many moles of H are present in the sample?
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The tabulated mass of Cl is 35.45 amu. The two dominant isotopes of naturally occurring Cl are 35Cl (34.97 amu) and 37Cl (36.97 amu). What are the relative abundances of 35Cl and 37Cl?
Identify a specific educational issue that you think is affecting work environments the most. Can this problem be avoided or resolved in the workplace? If you were an employer, how would you overcome this issue?
If 348 grams of K2SO4 (molar mass 174 grams) is dissolved in enough water to make 500 milliliters of solution, what are the concentrations of the potassium and sulfate ions?
66 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.8 m beneath the surface, determine the average resistance force exerted on him by the water?
Analysis of the products revealed that 0.1356 g of water were produced. How many moles of H are present in the sample?
What is the boiling point of water at an elevation of 1.15×104 ? Express your answer with the appropriate units.
How do you think people like Rommel, Burgin, and Neelman factor ethics into their decisions? do you think the welfare of policy owners and passengers enter into their decisions?
If CO at constant pressure was burned with excess air and the measured temperature of exit gases was 981 degrees Celsius. What was the percent of excess air used? The reactant entered at 93 degrees Celsius.
A Mixture of 80mL of Hydrogen Gas and 60 mL of Oxygen gas is ignited by a spark to form water (please show work)a) does any gas remain unreacted?
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