Gold has a specific heat of 126 J / (kg! K). A sculptor increased the

temperature of a 0.5 kg block of gold by 10°C. How much energy did

the sculptor add to the gold?

Consider the reaction: Al2S3 + 6 HCl → 2 AlCl3 + 3 H2S The reaction has a 29.1% yield. How many grams of Al2S3 are needed to react with 30.0 moles of HCl? a) The molar mass of Al2S3 is 150.16 grams/mole. b) The molar mass of HCl is 36.46 grams/mole.

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.

Describe the composition of a lead storage battery

How many milliliters of liquid does the smaller graduated cylinder contain?

The ability of an element to react is the elements A. Stability B. Activity C. Valence D. Electronegativity

A fish company delivers 22 kg of salmon, 5.5 kg of crab and 3.48 kg of oysters to your seafood restaurant. What is the mass, in kilograms of the seafood? What is the total number of pounds?

If 38.7 grams of lithium chlorate decomposes, how many grams of oxygen gas can be produced?

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?