True or false? an element consists of only single atoms of that element.

a. True

b. False

The reaction uses 18.2 g of copper (I) sulfide (Cu2S). what volume of sulfur dioxide gas would be collected at 237°C and 10.7 atm?

The electrons involved in forming chemical bonds are the what electrons

A person standing on a canoe throws a cement block over the side. the action force on the cement block is 60 N. The reaction force is on the person and canoe. Their total mass is 100 kg. What is their acceleration?

How many moles are equal to 1.2 x 1021 molecules of lithium?

What is the independent variable of the sentence "if diet affects weight, then people who eat less will lose weight."?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.