Hòa tan hoàn toàn 15g CaCO3 vài 200ml dung dịch HCl 2M tính nồng độ mol của các chất tan sau dung dịch

What volume would 2.25 moles of ne has occupy at stp?

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive

What type of energy conversion occurs when you place your feet near the fire place and they become warm