What term describes elements with properties that fall between those of metals and nonmetals?

What is the source of free amino acids in cytoplasm?

A container of gas is initially at 0.750 atm and 45 C. What will the pressure be at 105 C? A) 0.496 atm B) 55.9 mmHg C) 39.5 mmHg D) 359 atm

How many liters of oxygen (at stp) are required to form 10.5 g of h2o?

How are rechargeable batteries recharged? a. Adding new reactants c. Passing electric charge through the reactants b. Changing to terminals d. Changing out the electrolytes

A. Consider four different samples: aqueous LiI, molten LiI, aqueous AgI, and molten AgI. Current run through each sample produces one of the following products at the cathode: solid lithium, solid silver, or hydrogen gas.

Justin Bleeber is a lazy young man and decides to burn a pile of leaves instead of bagging it. The pile of leaves weighed three pounds before being burned. After the leaves are burned the leftover ash weighs half a pound.

A diatomic gas has the molar mass 38.00 g/mol. What is a possible formula

Convert 3.5 x 10^23 K atoms to moles 0.58 moles 2.1 x 10^47 moles 5.8 x 10^45 moles 2.5 x 10^23 moles

Describe the composition of a lead storage battery

A 5.0g sample of aluminum with a specific heat of 0.90 j/g was heated from 22.1^c to 32.1^c. How much heat to the nearest joule did the aluminum gain?