Chemical reactions -

a. produce new substances.

b. create and destroy atoms.

c. occur only in living organisms.

d. only occur outside living organisms.

Write a fully balanced symbol equation for the reaction of hydrochloric acid with magnesium carbonate.

He accepted value for the density of liquid mercury is 13.5336 g/mL. Four scientists measure the density of liquid mercury in their individual laboratories. The most accurate measurement is made by

Why river ganga does not dry during summer?

Moseley's changes to the periodic table were based mainly on what part of the scientific process? observation of the elements< - - - my answer, correct? argumentation among scientists existing knowledge about mass competition among scientists

explain with example how the physical state of reactants and products can be shown in chemical equation

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.