Applying Gas Laws to Hot Air Balloons

A propane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon.

Which condition of the gas remains constant?

volume

pressure

temperature

DONE

Which element belongs to the f-block? oxygen iron argon uranium

Determine the number of Nitrogen atoms present in 4.00 moles of N2O5

For which pair of objects would adding the same amount of electrons to each object result in a decrease in the electric force? a. two positively charged objects b. two negatively charged objects c. two objects that have no charge d.

If polar covalent bonding results in a molecule with a positively-charged end and a negatively-charged end, the molecule is called A. electronegative. B. nonpolar. C. an ion. D. a dipole.

How would copper become copper (+2)

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.

What naturally forms an anion?

What is the concentration of a solution containing 1.11 g sugar (sucrose, C12H22O11, MW = 342.3 g/mol, d = 1.587 g/cm3) in 432 mL glycerine (C3H8O3, MW = 92.09 g/mol, d = 1.261 g/cm3) in molarity and molality.