The vapor pressure of ethanol at

25°C

is

7.828 kPa

. Calculate the vapor pressure in

atm

.

Be sure your answer has the right number of significant digits.

Calcium reacts with sulfur forming calcium sulfide. What is the theoretical yield (g) of CaS (s) that could be prepared from 8.54 g of Ca (s) and 2.33 g of sulfur (s) ? Do not type units with your answer.

When electricity is applied to water, water (H2O) will undergo a decomposition reaction to form hydrogen gas and oxygen gas. True False

Calculate the number of atoms in a 8.42x10^3 g sample of cesium.

The width of a football field is 160 ft. How many meters is this?

Name the following chemical compound: Ca (C2H3O2) 2

How can you explain the arrangement of the electromagnetic spectrum?

How do hydrogen bonds between water molecules occur?

To create hydrogen and oxygen from water, you would need to perform which type of reaction? A. Synthesis B. Decomposition C. Single replacement D. Double replacement

Developing cancer in our lifetime can be attributed to all BUT one of these factors. A) individual susceptibility based on inherited chromosomes B) exposure to environmental carcinogens Eliminate C) lifestyle and diet choices D) level of education

Which system of measurement does the U. S. use?