Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus.

Which kind of substance needs more energy to undergo an increase of 25 degrees Celsius something with a high or low specific heat?

The mass percent of hydrogen in hydrogen peroxide, h2o2, is

The force of gravity on the surface of Mercury is much less than on Earth. A rock has a weight of 100 newtons on Earth. What do you know about the weight of the rock on Mercury?

How are chemical formulas of binary ionic compounds generally written? a cation on left, anion on right b anion on left, cation on right c roman numeral first, then anion, then cation d subscripts first, then ions?

Which of the following equalities is not correct? 1 cm3 = 1 mL 1000 mm = 1 m 100 cg = 1 g 10 kg = 1 g

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?

Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response Toxicity Carcinogenic Flames Inhalation hazard Flying objects

Which would be best categorized as heat transfer by convection? A) Wearing a white shirt to stay cool on a summer day.