Complete the complete the following addition and subtraction problems in scientific notation. a. (6.23 x 10KL) + (5.34 x 10KL)

(4.68 x 10^-5cg)+(3.5 x 10^-6cg)

(3.57 x 10^2 mL)-(1.43 x 10^2 mL)

(9.87 x 10^4 g)-(6.2x10^3 g)

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?