How many K atoms are there in 5K2CO3?

Select one:

15

10

6

2

Why does the value of the equilibrium constant indicate?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

Calculate the vapor pressure at 35ºC of a solution made by dissolving 20.2 g of sucrose (C12H22O11) in 60.5 g of water. The vapor pressure of pure water at 35ºC is 42.2 mmHg.

Which of the following could have a negative impact on science

List the three states of matter in order of increasing molecular disorder. a. liquid < solid < gas b. gas < solid < liquid c. gas < liquid < solid d. liquid < gas < solid e. solid < liquid < gas

An industrial chemist studying bleaching and sterilizing prepares a hypochlorite buffer using 0.350 M HClO and 0.350 M NaClO. (Ka for HClO = 2.9 * 10-8) Find the pH of 1.00 L of the solution after 0.030 mol of NaOH has been added.

3) _C2H4O2 + _ 02 → _ CO2 + _ H2O

Choose the Brønsted-Lowry acids and bases in the following equation: HCN + OH=H2O + CNC A) acids HCN, CNº bases OH, H20 B) acids CN, OH bases HCN, H2O C) acids HCN, H20 bases OH", CN D) acids OH", H20 bases CN", HCN E) acids HCN, OH bases H20, CN

What food molecules make up lettuse

Is moss a decomposer?