Explain why the population of trout might increase if the population of frogs decrease?

A compound is analyzed and found to contain 36.70% potassium, 33.27% chlorine, and 30.03% oxygen. What is the empirical formula of the compound?

The pressure and temperature inside a bike tire is 10 atm and 10 K respectively. What will the pressure become in the tire when the temperature is increased 20 K?

A hanging iron wire with diameter 1.9 mm (1.9 * 10-3 m) is initially 0.75 m long. When a 68 kg mass is hung from it, the wire stretches an amount 0.881 mm. A mole of iron has a mass of 56 grams, and its density is 7.87 g/cm3.

How do you calculate percentage yield? What is the definition of percentage yield?

Determine the temperature of 1.42 mol of a gas contained in a 3.00-L container at a pressure of 123 kPa.

Which quantity represented by the symbol Ne

Electron configurations are like an address because?

What are the pros of using steel?

For an experiment, a student needs 100.0 mL of 0.4220 M NaCl. If the student starts with NaCl (s) and distilled water, which of the following pieces of laboratory glassware should the student use to prepare the solution with the greatest accuracy?

In a dilution, solvent is added to a given amount of a concentrated solution. What happened to the total concentration?