A weather balloon contains 8.80 moles of helium at a ppressure of 0.992 atm and a temperature os 25 C at ground level. What is the volume of the balloon under these conditions?

What holds solid sodium together? A. hydrogen bonding B. metallic bonding C. ionic bonding D. dipole forces E. van der Waals forces (London dispersion forces)

What are the missing coefficients for the skeleton equation below? Na2SO4 + KOH (aq) - - > NaOH + K2SO4 (aq) Question options: 2, 12, 4, 6 4, 6, 2, 3 1, 6, 2, 3 1, 2, 2, 1

Which of the following is an example of gas? A. Pudding that is spooned from a pan into a cup B. Light that is spreads out to fill the space of a room C. Helium that fills a balloon, causing it to float D.

Which is expected to have the largest dispersion forces? which is expected to have the largest dispersion forces? c12h26 be cl2 c3h8 f2?

Use the terms above to identify each type of energy below energy that comes from a moving object, or objects have stored energy One that comes from the movement of partides energy that comes from moving electrons one that occurs when nuclear bonds

How does the density of a hershey bar compare to the density of the a half bar?

Why is it important for scientists and o make data tables

Which of the following compounds will produce H2O as one of the products when it decomposes? a.) Hg (ClO3) 2 b.) Cu (OH) 2 c.) CaO d.) MgCO3

After 10 years, 75 g of an original sample of 100 g of a certain radioactive isotope has decayed. the half-life of the isotope is

When 10.7 g of Al are reacted with 42.5 g of HCl, what volume of H2 will be produced at 47 C and 725 mmHg? Formula: 2Al+6HCl=2AlCl3+3H2