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For the titration 100 mL of a 0.2 M for mic acid solution with 0.3 M NaOH, calculate the ph before any NaOH is added?
An ice cube of mass 9.0g is added to a cup of coffee, whose temperature is 95C and which contains 130g of liquid. Assume the specific heat capacity of the coffee is the same as that of water.
Suppose 312 grams of methylamine and 475 grams of oxygen are mixed together. How many grams of water should be produced?
Calculate the energy in joules and calories required to heat 40.0 silver (Ag) from 112 C to 270 C
Calculate the amount (mL) of Compound A needed to give 12 mmol. MW of Compound A: 32.04 g/mol Density of Compound A: 0.79 g/mL
Then 2.00 mL of solution containing 0.0156 M dopamine was mixed with 90.0 mL of unknown, and the mixture was diluted to 100.0 mL in volumetric flask. The signal from the new solution was 58.4 nA. What is the dopamine concentration in the unknown s..
A saturated solution of calcium hydroxide contains .38 grams of calcium hydroxide in each 250 mL of solution. What is the pH of the saturated calcium hydroxide?
gold can be hammered into extremely thin sheets called gold leaf. if a 1.00-g piece of gold density 19.32 gcm3 is
What is the difference between a constitutional isomer and a geometric isomer.
A 21.496 g sample of magnesium is burned in air to form magnesium oxide and magnesium nitride. when the products are treated with water, 2.813 g of gaseous ammonia are generated.
write four balanced equations for the reactions to separate and recover m-nitroanilin benzoic acid and naphthalene.
You want to prepare a solution that is 0.200m in Na2CO3. How many grams of the salt must you add to 125g of water? What is the mole fraction of Na2CO3 in the resulting solution?
Write equations that describe the reaction mechanism for acid hydrolysis of the following compound- (A) Acetyl Chloride
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