24 g of magnesium is burned in oxygen. The compound formed has a mass of 40g. explain why the mass has gone up

Molecules consist of two or more atoms held together by

Problem PageQuestion Aqueous sulfuric acid will react with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water. Suppose 2.94 g of sulfuric acid is mixed with 1.6 g of sodium hydroxide.

Choose the correct order of the lake cycle. River blockage, plain flooding, sediment deposition, bog formation, solid ground plain flooding, river blockage, bog formation, sediment deposition, solid ground river blockage, plain flooding, bog

A flask holds 3.01 x 10^23 molecules of carbon dioxide. The container is holding A) 0.25 moles of carbon dioxide B) 0.50 moles of carbon dioxide C) 0.75 moles of carbon dioxide D) 1.0 moles of carbon dioxide

The law of reflection states that if the angle of incidence is 43 degrees, the angle of reflection is ___ degrees.

Which best explains why astronauts appear weightless when they are in a space shuttle orbiting Earth? • They are falling toward Earth at the same rate as the space shuttle.

If increase the amplitude how does the velocity change? (No google)

What is the result of multiplying (2.5 * 1010) * (3.5 * 10-7) ? Use the correct number of significant digits.

What is 0.002353 to two significant figures

10. Is the identity of an element determined by its mass number or atomic number? By omak