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How many grams of Cuso4 are needed to prepare a .150 molal solution in 300 grams of water?
If 30.00 mL of 0.500 M KOH are needed to neutralize 10.00 mL of HCl of unkown concentration, what is the molarity of the HCl
A compound with molecular formula C5H11N has no ? bonds. Every carbon atom is connected to exactly two hydrogen atoms.
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 466 K, Kc = 0.080 for the following equilibrium: NH2COONH4(s) 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L containe..
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?
A bottle of wine contains 14.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) . If 32.0 g of CaC2 are consumed in this reaction, how many moles of H2O are needed?
Given the following equation: 2 C4H10 + 13 O2 ---> 8 CO2 + 10 H2O, show what the following molar ratios should be.
Why is the water bath used to heat the reaction? 4)What is the mechanism of the reaction of phenylmagnesium bromide and CO2? Include the workup steps. 5) In this experiment, it is important to use freshly obtained dry ice. Why?
If the diameter of a sodium atom is 3.14×10-8 cm, how many sodium atoms would fit along a line exactly 6.00 inch long?
Draw the structural formula for ethanol, 2-propanol and 2-methyl2-propanol. Write the reaction between sodium bicarbonate and benzoic acid.
the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.
A 68-g ice cube at 0°C is placed in 680 g of water at 22°C. What is the final temperature of the mixture?
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