Which of the following is a balanced chemical equation?

A. AgNO3 + NaCl - 4A gC1 + 2NaNO3

B. 2AgNO3 + 2NaC1 - 3AgC1 + 2NaNO3

C. AgNO3 + NaCl - AgC1 + NaNO3

D. AgNO3 + 2Naci - AgCl + 3NaNO3

What is the vapor pressure at 20 °c of an ideal solution prepared by the addition of 7.38 g of the nonvolatile solute urea, co (nh2) 2, to 56.9 g of methanol, ch3oh? the vapor pressure of pure methanol at 20 °c is 89.0 mm hg. a. 5.75 mm hg b?

An island arc is found along the?

As this reaction takes place at higher temperatures, it is observed that the equilibrium shifts toward the products. The reaction is

Identify the basic structure of a chemical equation?

The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm x 4.00 cm x 2.50 cm? Show your work.

Which reaction is endothermic? H2 (g) + ½ O2 (g) → H2O (g), ΔH = - 57.82 kcal ½N2 (g) + O2 (g) + 8.1 kcal → NO2 (g) ½N2 (g) + 3/2H2 (g) → NH3 (g) + 11.0 kcal C (diamond) + O2 (g) → CO2, ΔH = - 94.50 kcal

If a temperature increase from 10.0 ∘C to 21.0 ∘C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction

Chlorine released from chlorofluorocarbons (cfcs) reacts with ozone in the atmosphere to form oxygen. the proposed reactions are cl (g) + o3 (g) →clo (g) + o2 (g) clo (g) + o (g) →cl (g) + o2 (g) identify the species that acts as a catalyst and the

What does one of the elements in the periodic table have?

Children's reactions to divorce often include which of the following groups of behaviors?