When a battery is used to power a device, which type of energy is being transferred?

A.

electrical energy

B.

thermal energy

C.

sound energy

D.

mechanical energy

Hypothesize why bog acids react differently with the bones of the bodies than they do with the organs, hair and skin

How many atoms are there in each of the following substances? A) 5.14 g p B) 2.16 g Hg C) 1.80 g Bi D) 8.8*10-2 g Sr

Which statement best describes two events that occur at a convergent boundary where one plate moves under another A. Frequent earthquakes may occur volcanic activity may be common B.

At would be the saturation concentration (mole/l) of oxygen (o2) in a river in winter when the air temperature is 0°c if the henry's law constant at this temperature is 2.28 * 10-3 mole/latm

What is a pseudo-noble gas configuration? Give an example of one ion from Group 3A (13) that has it.

A scientist observed a 5-mL sample of an unknown substance. It is a blue liquid with a density of 1.2 g/cm. the substance reacts with carbon dioxide.

9.87 g of calcium sulfate and 12.05 g of potassium react. What is the total amount of potassium sulfate that can be produced?

What volume of water vapor measured at STP is produced by the combustion of 4.00 g of natural gas (CH4) ? (you must write and balance the equation first)

How many moles of 0.225 m ca oh 2 are present in 0.350 l of solution

A solute and a solvent are mixed together. What requirement would enable you to predict the the substances would form a homogeneous solution?