Por favor!

Se disuelven en agua 30.5g de cloruro amónico hasta obtener 0.5 Lde disolución. Sabiendo que la densidad es la misma que 1027kg/m^3, calcula:

a.) La molalidad.

b.) La normalidad.

The latent heat of melting is 80 calories for 1 gram of ice. if 1 gram of ice absorbs 60 calories what do i get?

Write a balanced equation for the reaction of KOH and Cu (NO3) 2.

What types of properties change during a chemical reaction?

What is a solution that has the capacity to hold additional solute at a given temperature called? A. Unsaturated B. Saturated C. Supersaturated D. Oversaturated E. Undersaturated

Explain how antiacids work

What is the correct formula when Aluminum and Nitrogen are combined? a. Al3N b. AlN c. AlN3 d. Al2N

1-Bromobutane reacts with water to form 1-butanol according to the following equation. C4H9Br (aq) + 2 H2O (l) → C4H9OH (aq) + H3O + (aq) + Br - (aq) The following is a proposed mechanism for the reaction.

Which of the following statements is true? A. Transverse waves move particles parallel to the direction of energy. B. Longitudinal waves move particles at right angles to the direction of energy. C.

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What feature distinguishes a neutral atom from an ion