Which question can be answered by science? 1 which type of candy taste the best? 2 which backpack do students purchase most offen?

Dimethylamine, (ch3) 2nh, has a kb value of 5.4 x 10â4. in a 1.2 m solution of dimethylamine at 25Ëc what is the concentration of h3o+?

Containers of ice cream are sold by volume, not by weight. Some ice cream manufacturers pump air into the ice cream before packaging it. Why does this practice make the ice cream more expensive to the consumer? A) Air weighs more than ice cream does.

As the amount of charge on two objects increases, the strength of the electrical force between the objects O increases O decreases. O varies O remains the same

Metallic bonding occurs between atoms of (1) sulfur (3) fluorine (2) copper (4) carbon

Magnesium sulfate reacts with barium chloride according to the following balanced equation. of 1.20 g of magnesium sulfate is allowed to react with 10.0 g of barium chloride in a water solution, what is the theoretical yield of barium sulfate

Describe the characteristic of chemical structure found at the core of each steroid hormone

A molecule has one carbon-carbon double bond and four monovalent atoms or groups. how many different geometric isomers exist for this molecule?

While waiting for your car to warm up one winter morning, you notice a liquid dripping from your tailpipe. You recently learned in chemistry class that combustion reactions occur in car engines.

Which of the following correctly describes how metals behave in an ionic bond? Metals lose their valence electrons and form positive ions. Metals lose their valence electrons and form negative ions.

A pharmacist measures the mass of a powdered drug. The mass is 506 mg. What is the mass in grams? Write your answer as a decimal.