A chemical change is like a physical change because no new substance is formed. Agree or DIsagree and reason why

Which describes how transuranium elements are made in a lab? by the transmutation of protons to electrons in a stable element by the artificial transmutation of a lighter element by the artificial transmutation of carbon compounds

What phase change requires a substance to absorb energy? Select all that apply. melting freezing evaporation sublimation condensation

In the following reaction: Mg + 2HCl → MgCl2 + H2 How many liters of H2 would be produced if you started with 24.3 g of Mg?

I repeat Is a flubber solid, liquid or gas?

Dalton incorporated the law of conversation of mass into his atomic theory by asserting that? A. atoms are indivisible. B. atoms of different elements have different properties. C. matter is composed of atoms. D.

In which one of the following solutions is silver chloride themost soluble? A. 0.744 M LiNO3 B. 0.0176 M NH3 C. 0.181 M HCl D. 0.181 M NaCl E. pure water

A 5.701 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 12.28 grams of CO2 and 5.029 grams of H2O are produced. In a separate experiment, the molar mass is found to be 102.1 g/mol.

One amu is equal to the mass of an electron the mass of one proton or one electron the mass of one neutron or one electron the mass of one neutron or one proton

Given an unknown mixture consisting of two more substances, explain how could you determine whether that mixture is a true solution, a colloid or a suspension

Which isotope of lithium has 3 neutrons?