If a solution has a hydronium ion concentration of 1x10^-9 m the solution is

a) acidic and has a pH of 5

b) basic and has a pH of 9

c) basic and has a pH of 5

d) acidic and has a pH of 9

In a chemical equation, (aq) after one of the substances means that it is which of these? a solid formed from two ionic substances produced from nothing released as gas dissolved in water

What type of chemical bond joins a functional group to the carbon skeleton of a large molecule?

Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO (g) + O2 (g) → 2C02 (8) In a 1.00 L flask, 3.40 atm of CO reacts with 2.60 atm of O2. Assuming that the temperature remains constant, what is the final pressure in the flask? 4.30 atm 2.

Is the paramecium a prokaryote or a eukaryote

How many liters of NH3, at STP, will react with 16.2 g O2 to form NO2 and water

A hypothetical element consists of 2 isotopes of masses 84.95 amu and 86.95 amu with abundance of 37.1% and 62.9% respectively. What is the average atomic mass?

How do polar molecules respond when they are placed between two metal plates one positively charged and one negatively charged?

As the temperature of a gas increases, the volume also increases. Which kind of relationship exist between temperature and volume? divergent direct O inverse O no relationship

Given the following densities at 25°C magnesium: 1.7 g/cm3 graphite: 1.8 g/cm3 iron: 7.9 g/cm3 A block of iron has a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron?

The direct transfer of heat from one substance to another substance that it is touching is called