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How many grams of oxygen are required to completely burn 5.90g of C3H8 in the following unbalanced equation:
C3H8 + O2 -----> CO2 + H2O
How many milliliters of a 0.56 M HCl solution do you need to obtain 0.0046 mol of HCl?
50.0 g of N2O3 is decomposed according to the following reaction 2N2O3 --> 2 N2 + 3O2 . How many moles and how many liters of nitrogen are produced at 300 degrees Celsius and a pressure of 1350 torr?
Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g.
Calculate the frequency (in Hz) of light necessary to move an electron in a He+ ion from the n =2 to n =4 energy level. The Rydberg constant for a helium ion is R = 4.390 x 107 m-1
A swimming pool contains 88,000 liters of water and it having a surface area of 5 meters by 10 meters. It is observed that when this swimming pool is heated by the Sun for six hours.
How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
Consider a solution formed by mixing 58.0 mL of 0.100 M H2SO4, 37.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
What is the relationship among intracellular fluids, 0.9% (W/V) NaCl and 5.0% (W/V) glucose?
If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2
suppose that the volume of a particular sample of Cl2 gas is 8.70 L at 895 torr and 24 Celsius, what volume will the Cl2 occupy at STP
An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.3 x 10^7 m/s
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