Which of these is an example of investigating an intensive property?

A. weighing sand in a bag

B. measuring the length of wire

C. determining if a rock is magnetic

D. recording the volume of water in a cylinder

If the initial concentration of a is 0.00540 m, what will be the concentration after 795 s?

Which of the following correctly compares periodic properties of two elements and provides an accurate explanation for that difference? The first ionization energy of Al is greater than that of B because Al has a larger nuclear charge than B does.

Place the following compounds in order of increasing strength of intermolecular forces. a. CH3CH3 CH3 (CH2) 8CH3 CH3CH2CH2CH3 b. CH3CH3 < CH3 (CH2) 8CH3 < CH3CH2CH2CH3 c. CH3CH2CH2CH3 < CH3CH3 < CH3 (CH2) 8CH3 d.

Which element has the strongest attraction for electrons? boron hydrogen fluorine 80% nitrogen

In balancing a chemical equation why can you change the coefficients but not the subscripts

What is limiting reajent?

What elements react the most? Like have the most reactivity.

A neutral atom has an atomic number of 20 and a mass number of 42. How many electrons does the atom have?

A rock is placed into water and the volume of water increase 15ml. what is the density of the rock if it had a mass of 24.3 grams.

Suppose a student did not fully redissolve the Al (OH) 3 that initially formed upon the addition of H2SO4. Predict and explain how this would impact the apparent percent yield this student determines.