What is an ore? an object that has been recycled an article of clothing that is made from natural fiber a rock that contains enough of a metal to be worthwhile to extract a fossil fuel that can be burned to generate electricity

Two black-fur mice are bred, and have the litter shown below. What is the most likely explanation for the presence of the white-fur offspring?

1 message Which process results in the increase in entropy of the universe? the cooling of a hot cup of coffee in room temperature air the melting of snow above 0 °C all of the above the evaporation of water from a desk at room temperature

Which of the following substance would have the the greatest solubility if placed in 500 ml of water? A. 5 g of sand B. 5 g of vegetable oil C. 5 g of fresh soil D. 5 g of sugar

A salt derived from a weak base and a strong acid will yield what kind of salt?

The process by which DNA makes a complete copy of itself is called? A) Duplication B) Development C) Transcription D) Replication

How much water needs to be added to an 18.0 M stock solution of sodium hydroxide in order to make 450.0 mL of 0.250 M sodium hydroxide solution?

The quatum number 1 describes what

The formula is used to calculate the yield of a reaction.

What do you think about our current forms of recycling and why?

A sample of a hydrate has a mass of 5.026 g. After it is heated, it has a mass of 3.492 g. What is the percentage by mass of water in the hydrate? 1. 19.40% 2. 27.92% 3. 30.52% 4. 69.48%