# Category: Chemistry

• ## What volume of water must be added in order to dilute 0.64 L of 12.0 M HNO3 to a concentration

QUESTION:   what volume of water must be added in order to dilute 0.64 L of 12.0 M HNO3 to a concentration of 5.6M

• ## After you join and transfer electrons, what is the number of electrons you have in your highest energy level?

QUESTION:   After you join and transfer electrons, what is the number of electrons you have in your highest energy level?

• ## A beaker is filled with 1.76×1022 particles of sulfur. How many moles of sulfur are in the beaker

QUESTION:   A beaker is filled with 1.76×1022 particles of sulfur. How many moles of sulfur are in the beaker

• ## What is the molar mass of methane (CHA)? A. 16.05 grams O B. 13.02 grams O C. 49.05 grams O D. 10 grams

QUESTION:   What is the molar mass of methane (CHA)? A. 16.05 grams O B. 13.02 grams O C. 49.05 grams O D. 10 grams

• ## How does brittleness of graphite compare to diamonds? Graphite is more brittle than diamonds. Graphite is less brittle than diamonds. Graphite has the

QUESTION:   How does brittleness of graphite compare to diamonds? Graphite is more brittle than diamonds. Graphite is less brittle than diamonds. Graphite has the same brittleness to diamonds. Graphite and diamonds are both very brittle.

• ## What is the thermochemical equation for the freezing of hexane at the melting point

QUESTION:   What is the thermochemical equation for the freezing of hexane at the melting point

• ## You place a pot of soup on the stove. As the soup warms you notice some areas where soup is

QUESTION:   You place a pot of soup on the stove. As the soup warms you notice some areas where soup is rising up and other areas where soup is sinking down. 1. Why do you think some of the soup is rising up?

• ## Where on the periodic table are metalloid elements most likely found? A Along the stairstep line B. Among the lanthanides and

QUESTION:   Where on the periodic table are metalloid elements most likely found? A Along the stairstep line B. Among the lanthanides and actinides C. At the bottom D. On the left side

• ## If 10L of a gas are at 273K and 1 atm is compressed to a 7L container at 250K, what

QUESTION:   If 10L of a gas are at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure?​

• ## A student has a 5.00 gram sample of calcium chloride (CaCl2) solid. how many miles of calcium chloride are contained

QUESTION:   a student has a 5.00 gram sample of calcium chloride (CaCl2) solid. how many miles of calcium chloride are contained in this sample