Other Chemistry Answers

A chemist prepares a sample of hydrogen bromide
and finds that it occupies 205 mL at
68◦C and 454 Torr. What volume would it
occupy at 0◦C at the same pressure?
Answer in units of mL.

Water is flowing through a horizontal pipe of non uniform cross section .At the extreme narrow portion of the pipe the speed and pressure will be:

A hemispherical blown just float without sinking in a liquid of density 1.2×1000kg/m3.If outer diameter and the density of the bowl are 1m and 2× 10000 kg/m3 respectively ,then the inner diameter of the bowl will be ;

The charge on a magnesium ion is +2. When it formed an ionic compound with another element, it borrowed 2... what?

c4h10o+6o2>4co2+5h2o

Nitrogen dioxide dissolves readily in water to form an acidic solution

1) Red
2) Blue
3) Black
4) Yellow

Adam drinks an 8oz glass of milk every morning. in doing so, Adam takes in 25.0% of vitamins D. if there are 29mL in every ounce of milk, how many grams of vitamin d will Adam drink in the average month

1. Dr. Gray had 89.4 grams of nitrogen gas and 230 grams of oxygen gas. Which reactant will limit his production of dinitrogen pentoxide? How many grams of dinitrogen pentoxide will be produced?
2N2 + 5O2 → 2N2O5

5) Which species is oxidized in the reaction below?

Au(s) + 3NO3-(aq) + 6H+(aq) → Au3+(aq) + NO(g) + 3H2O (l)

H+, N+5, O2-, H2O, Au

A) H+

B) N+5

C) Au

D) O2-

E) H2O

Calculate the empirical formula of vulcium chloride.