An aerosol spray can with a volume of 441 ml contains 3.09 g of propane gas as a propellant. what volume would this sample of propane occupy at stp?

Determine the number of unpaired electrons expected for [Fe (NO2) 6]3-and for [FeF6]3 - in terms of crystal field theory.

The complete combustion of 0.661 g of a snack bar in a calorimeter (Ccal = 6.15 kJ/°C) raises the temperature of the calorimeter by 1.63 °C. Calculate the food value (in Cal/g) for the snack bar.

Ionic solutions are poor conductors of electricity. a. True b. False

Why does your reflection in a mirror look different from your reflection in wood

What is the body of scientific knowledge based on?

Which of the following statements is not true? Question 4 options: When atoms have similar electronegativities, electrons are shared equally When electrons are shared equally, the molecule is called a nonpolar molecule.

Write the isotope symbol for two isotopes of the same element. What makes the isotopes different? How are they similar?

According to the periodic table, which element has an atomic number of 40? a. u b. ca c. zr d. np

3. Which word best fits with the Earth's day and night cycle a. Revolution b. Rotation C Orbit d. Axis

What causes temperatures in the summer to be higher than temperatures in the winter? A. The greenhouse effect, which raises temperatures on Earth, takes place during the summer months only. B.