Other Chemistry Answers

A shard of metal releases 244.1 J of heat while cooling 57.1°C. What is the mass of the sample if it has a specific heat of 0.240 J/g°C? Use 1 decimal place.

Calculate the potential of a zinc electrode immersed in 0.0200 M in NaOH and saturated with

Zn(OH)2 (E0=Zn2+ / Zn: -0.763 V, Ksp: 3×10-16)

If a flexible container has an internal volume of 409 liters and gets heated from 92K to 19K what will the final pressure be in atmospheres (atm)? The initial pressure is 33 atm, and the final volume is 472 liters. Round your answer to the nearest whole number.

2. What is the pressure in atm of 1.35 x 102 mole of oxygen gas (O2) if it is compressed in a tube with 8000 mL at 20C?

How many grams of water in a cup that requires 4,500J to heat from 20C to 40C?

How many grams of water in a cup that requires 4,500J to heat from 20C to 40C?

For the following reaction, what is the percentage yield of magnesium nitride if 1.70 g of it are produced when 1.36 g of Mg reacts with 0.695 g of N2? (10 pts)

3Mg + N2 —> Mg3N2

There are 100g of CH4 and 100g of Cl2 gas in a 5 L flask at 35C. Calculate the partial pressure of each gas and the total pressure

How many atoms does 2.0 moles of He represent

How many atoms make up one molecule of cobal (II) monohydrogen phosphate