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Problem- For the reaction calculates how many moles of the product form when 0.031mol of O2 completely reacts. Assume that there is more than enough of the other reactant. 2Ca(s) + O2(g) 2CaO(s)
Here is the problem which I am struggling on, please help me
a) what is the ratio of conjugate base to conjugate acid after 100 ml of 1M HA is adjusted to a pH of 8? b) under the conditions in part a, how many moles of HA are present? How many moles of A- are present? c) What is the pH of the solution descr..
What is the maximum quantity of NaC2H3O2 that can be added to 200.0 mL of this solution before precipitation of begins?
A sample of pure (1 chloroethyl) benzene had a specific rotation of 87.2 degrees, while pure R 1 chloro-1-phenyl ethane has a specific rotation of -109 degrees. This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixtu..
why might a poor yield of cyclohexene be realized if the dehydration that you did was carried out with hcl instead
write a report about the chemical equation about the combusiton of butane. the report must include the equation, a brief history about the combustion of butane and its importance to the world and any dangers involved.
Formic acid, CH2O2, can be decomposed to produce hydrogen. The Lewis structure for formic acid, CH2O2, is show below. The atoms are labeled A, B, C, D, E.
A mixture of gases contains 0.26 mole CH4, 0.38 mole C2H6, and 0.18 mole C3H8. The total pressure is 1.50 atm. Calculate the partial pressures of the gases.
Hydrogen gas is collected at 29 c the total pressure of the system is 773 torr. If the vapor pressure of water at 29c is 30 torr what is the partial pressure of the hydrogen gas?
Assuming that no lead was originally present, that all the 206Pb formed over the years has remained in the rock, and that the number of nuclides in intermediate stages of decay between 238U and 206Pb is negligible, calculate the age of the rock.
rank the given solutions in aquous form from lowest to highest boiling point 0.5 m nacl 1 m kcl 0.5 m bacl2 1 m
What is the concentration of the HNO3 solution? Your response differs from the correct answer by more than 10%. Double check your calculations. M (b) How many moles of NaOH were in excess after the first addition?
Calculate the molar solubility of Pb(IO3)2 in water by systematic method. {ksp for Pb(IO3)2 = 2.5 x 10^-13}
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