Do caterpillar feces weigh the same as the leaf they eat?

Classify the following compounds as having covalent or ionic bondsa. dinitrogen trioxideb. carbon dioxidec. calcium chlorided. magnesium nitridee. sodium bromidef. aluminum oxide

Calculate the concentration of OH - of a solution of hydrobromic acid (HBr) given that its pH is 1.7

Which phrase is the best description of osmosis? net movement of molecules across the nuclear membrane until the number of molecules on each side is nearly equal movement of molecules from areas of higher concentration to areas of lower

Which trait would most likely lead a scientist to repeat an experiment and verify the data? creativity openness diversity skepticism

The Earth rotates about its axis from west to east. What piece of evidence about the Moon can we use to support this statement?

A double replacement reaction is a reaction in which one element replaces a similar element within a compound True or false

Why would gamma radiation be used in diagnostic imaging rather than alpha or beta radiation?

1.) Rust forms when Fe, O₂, and H₂O react in the balanced equation below; 2Fe (s) + O₂ (g) + 2H₂O (l) - -> 2Fe (OH) ₂ (s) In an experiment 10.0g of Fe is allowed to react with 4.00g of O₂ A.) Which of these reactants is the limiting reagent? B.

Choose the answer that takes place when a liquid absorbs heat energy without increasing its temperature. A.) the pressure increases B.) it vaporizes C.) it solidifies D.) the volume decreases

What are small round structures in the cell that breaks down large food particles into smaller ones