During the reaction of copper metal with concentrated hno3 one of the products of the reaction is a dense, toxic and red-brown gas. what is the formula of this gas?

Predict how the addition of a catalyst would affect the rate of the reaction below, and explain your prediction. h2 (g) + i2 (g) 2hi

The density was of a solution of sulfuric acid is 1.285g/cm3 and it is 38.08% (by weight) acid. How many millimeters of the acid solution do you need to supply 125 grams of sulfuric acid?

What term refers to the elements in a column of the periodic table

FeCl3 + NaOH → Fe (OH) 3 + NaCl

Which conditions apply at ph = 7.0? [h+] > [oh-]; the solution is acidic [h+] < [oh-]; the solution is basic [h+] = [oh-] = 0m [h+] = [oh-] = 1 * 10-7m?

One twelfth of the mass of a carbon-12 atom is used to define a

Calculate the heat lost by the hot water using your results for Experiment 3: Measuring the Enthalpy of Fusion of Water. Heat must be expressed in kilojoules (kJ). Q = (4.18 J/g °C) x (1 kJ/1000 J) x mass of water (g) x ΔT

How many molecules are there in 8.00 grams of glucose, C6H12O6

Based on the table you completed in question 1 what distinguishes a neutral atom from an ion answers

When dissolved in aqueous solution, which pair would behave as a buffer? A) HCl and NaCl B) KOH and KCl C) HNO2 and NaNO2 D) HNO3 and NH4NO3 E) Ca (OH) 2 and CaSO4