Trevor, Neville Longbottom's pet toad, has a mass of 13.6 kg. Trevor jumps into a large cylinder containing water. The water level rises 2.50 L. What is the density of the toad? Express your answer in kg/L.

The sugar in a soda does? because it does not settle at the bottom of its container?

If the valency of oxygen is 2, derive the valencies of the other elements present in the following oxides. Na2O, ZnO, Al2O3, MgO,

What does the symbol (-Delta. Hfus) indicate in a phase change?

Which one of these statements about formal charge is true? which one of these statements about formal charge is true? formal charge is most useful for ionic compounds. formal charge is the same as oxidation number.

Which options correctly describe characteristics of noble gases? Select all that apply. All noble gases easily react with other elements. All noble gases have valence shells with 8 electrons. All noble gases have a unique atomic fingerprint.

Which compound is an isomer of pentane? (1) butane (3) methyl butane (2) propane (4) methyl propane

Which of the following has primary responsibility for eliminating alcohol from the bloodstream

A hydrocarbon with only single bonds is classified as a. an alkene. b. an alkyne. c. saturated. d. unsaturated.

How many liters of 2M solution can be made using 500. grams of KI?

How many moles of copper are present in a sample of tennantite with a mass of 2370 grams