Total mass of H2O2 in 20 grams of an aqueous H2O2 solution

What is the density of lithium metal (in g/cm3) if a cube measuring 0.82 cm * 1.45 cm * 1.25 cm has a mass of 0.794 g?

Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans to produce whipped cream. It is also a potent greenhouse gas. The decomposition of N2O is first order.

Impact on health body temp changes

What is the difference between cells, tissues and organs

An 8.42 g piece of metal with a specific heat of 1.020 J g-1 k-1 wasn't heated to an unknown temperature. The metal was then placed in 44.2 g of water with an initial temperature of 18.50 C. If the final temperature of the water was 20.

1. Which of these show a diatomic element? CO H₂ He SO₂ 2. Which of these substances is an element? Chlorine Ice Methane Sodium chloride 3. When the elements lead and bromine combine together, the name of the substance formed is called ...

A liquid is placed in an evacuated, sealed flask. When will this closed system reach dynamic equilibrium?

How much heat is required to decompose 25.5 grams of NaHCO3? 2NaHCO3 (s) + 129 kJ 2Na2CO3 (s) + H2O ( g. + CO2 ( g.

An element is identified by: A. Its number of protons B. the atomic mass C. The type of charge D. its number of isotopes

A neutralization reaction between koh (aq) and h2so4 (aq) would give which two products?