In chemical reactions that occur in nature, are atoms and mass conserved

Which of these did you include in your answer? Check any that apply. I would use calorimetry to determine the specific heat. I would measure the mass of a sample of the substance. I would heat the substance to a known temperature.

What is the hybridization of the central atom? A. sp B. sp3d C. sp3d2 D. sp2 E. sp3

Which of these is an example of a chemical change? A. breaking glass B. melting ice on the windshield C. burning gasoline D. denting a bumper

Convert 2.5 miles to km

Where is copper in the periodic table?

A reacton has a theoretical yield of 22.8g. When the reaction was carried out, 15.1g of the product was obtained. What is the percent yield?

Which of Newtons law's is sometimes expressed as "for every action there is equal and opposite reaction"

Provide a general comparison of the empty space in a solid with that in a liquid as well as

Which of the following are chemicals? A. clothing B. food C. fuels D. all of the above

How many valence electrons are in atom of sulfur?