Which of these following terms are made of matter and which or not made of matter: air, light, radio, magnetic field, car, radio wave, feeling, flashlight, heat, textbook, human body, and thought

What is the volume of. 04 mol of a gas at. 9 kPa and 20 degrees celsius

The modern-day quantum model of the atom is better than John Dalton's model because it O is easier to understand. O is a more recent theory. O can be represented in two dimensions. o answers many questions about atoms.

What is the pH of a buffer solution that is 0.59 M pyridine and 0.30 M pyridinium bromide? (Assume the value of Kw is 1.0 10-14.)

If 0.35 m of ammonia solution has a ph of 9.15, what is the h + concentration of the solution?

What does Delta S < 0 mean in a reaction?

Consider the two electron arrangements for neutral atoms A and B. Are atoms A and B the same element? A - 1s2, 2s2, 2p6, 3s1 B - 1s2, 2s2, 2p6, 5s1 yes or no

Match the following terms to their correct examples Conduction Convection Radiation Water warming on a stove The sun warming the earth A spoon resting in a cup of tea gets hot

Why are 3 ammonium groups needed for every 1 nitride ion?

How do you explain the relativity high conductivity of tap water compared to a low or zero conductivity for distilled water

According to Newtons's first law, which characteristic of a moving object would remain constant if there were no other force of acting of it? A. Size B. Mass C. Shape D. Speed