What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?

Which element has quantum numbers 3 1 0 - 1/2

6. Mitosis starts and ends with diploid cells. That means they have two sets of chromosomes (both parents each contribute a set). In humans, how many chromosomes should be in each of these diploid cells after mitosis

An element can be identified by the number of In the nucleus of its atom.

What mass of oxygen is contained in a 5.8 g sample of NaHCO3?

What is the concentration of chloride ion when 16.8ml of a 0.554 M solution of barium chloride is combined with 16.8ml of a 0.593M of aluminum chloride?

Why is photosynthesis so important to plants, and can't animals use it?

One way the government of Kim Jong-il controls the lives of the people who live in North Korea is by a. requiring every citizen to vote. b. controlling information its people receive from the outside world. c. enforcing free trade with other nations.

Give reasons 1) copper utensils and sheets become blackish after some days

Predict the spontaneity of a reaction (and the temperature dependence of the spontaneity) for each possible combination of signs for? H and? S (for the system).

At 29°C, Kp = 5.3 ✕ 102 atm-2 for the following reaction. N2 (g) + 3 H2 (g) equilibrium reaction arrow 2 NH3 (g) When a certain partial pressure of NH3 (g) is put into an otherwise empty rigid vessel at 29°C, equilibrium is reached when 55.