What is the approximate weight of a 20-kg cannonball on earth

If O2O2 is collected over water at 40.0 ∘C∘C and a total pressure of 755 mmHgmmHg, what volume of gas will be collected for the complete reaction of 23.87 gg of NiONiO? The vapor pressure of water at 40.0 °C is 55.4 mmHg. The molar mass of NiO is 74.

A 100.5 ml intraveneous (iv) solution contains 5.10 g glucose (c6h12o6). what is the molarity of this solution?

How much heat is produced by the complete reaction of 3.70 kg of nitromethane?

Why would lava cool more quickly than magma?

The average kinetic energy of gas particles depends on which factor?

Which would not be associated with stable atmospheric conditions afternoon thunder showers is the answer

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.

Can you think of other possible ways scientists can determine what climate was like in the past besides studying ice cores?

Which sub-layer thins out into space, where there is no air

Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, nh4br, and aqueous lead (ii) acetate, pb (c2h3o2) 2.