Pha loãng 60 ml dung dịch HNO3 có pH = 3 với nước thành 180 ml dung dịch mới có pH là bao nhiêu

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.