A 40 liter cylinder of helium at a pressure of 100 atm and a temperature of 26°C is used to fill a balloon at 1.00 atm and 40°C. What is the volume of the balloon?

Why does ice float after it crystallizes? Its specific gravity is greater than water. Its density is greater than water. Its density is less than water. Air trapped in ice causes it to float.

What are the differences between these isotopes of hydrogen shown below? ₁¹H, ₁²H, ₁³H A) the number of electrons and the atomic number. B) the number of protons and the atomic number. C) the number of neutrons and the mass number.

How would you determine which isotope pair to use for a particular material?

It takes 46 ml of 0.124 m koh to neutralize 28.1 ml of h2so4 solution. what is the concentration of the h2so4 solution? answer in units of moles/liter.

A newly discovered element, X, has two naturally occurring isotopes. 87.8 percent of the sample is an isotope with a mass of 267.8 u, and 12.2 percent of the sample is an isotope with a mass of 269.9 u.

how do i Calculate the grams of silver chloride produced from 18.5 ml of 4.5M magnesium chloride with 99.2 ml of 1.75 M silver nitrate in a step by step?

You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg.

Proof is the standard measure used to determine how much alcohol is contained in an alcoholic beverage

One type of detector used in gas chromatography is a thermal conductivity detector (tcd). what two elements commonly make up the wire (filament) used in tcds

A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?