3.) A vector is a measurement that has both size and direction and may be

represented by an arrow.

A. True

B. False

Find the enthalpy of neutralization of HCl and NaOH. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 NaOH. The temperature rose from 298 K to 317.4 K. The specific heat capacity is the same as water, 4.18 J/K g. A.

A flask contains 0.83molof neon gas at a temperature of 35°C. The pressure gauge indicates 0.37atm inside the flask. What is the volume of the neon gas?

A magnesium ion has a charge of + 2 and an oxygen ion has a charge of - 2. What is the chemical formula of the compound made of these ions?

Which part of the nucleotide makes it possible for a nucleic acid to be a unique code? A.) Nucleotide base B.) Sugar C.) Phosphate

Difference between fission and fusion?

How long will it take for the concentration of xy to decrease to 12.5% of its initial concentration when the initial concentration is 0.100?

Which has a higher energy level 6d or 5s?

How far is the Earth for the moon?

It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from

How does temperature affect molecules