6co2 (g) + h2O (/) C6H12o6 + 6O2 (g) what is the statement and why is an endothermic reaction?

When Luis burns wood in a campfire, the particles in the wood break down and energy is released. What type of energy does the wood contain before Luis burns it? heat electrical chemical light

Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 4.3 g of hexane is mixed with 7.14 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction.

You leave a piece of bread outside for a few days. It forms green and blue mold. It smells awful. A chemical change has occurred - True or False? Explain with facts

If 1 mole of HCl (aq) was reacted with 2 moles of NaOH (aq), the pH of the solution would be? Acid or base

When using a manometer to check boyle's law, why is the pressure changed slowly? a. to avoid compressing the liquid b. to avoid compressing the gas c. to avoid changing the gas temperature d. to avoid changing the mass of the gas

All organisms need instructions to specify their traits. The instructions, or code, that is responsible for all the inherited traits of an organism.

1. Are state changes chemical or physical changes? Provide an example of a state change and explain why it is a chemical or physical change.

What is the morality of a 750.0 milliliter solution containing 2.5 miles of solute?

An electron in a sodium atom moves from the third shell to the fourth shell. This change is a result of the atom (1) absorbing energy (3) gaining an electron (2) releasing energy (4) losing an electron

Which of the following best describes how erosion by groundwater might create a landform? A. Slightly acidic water dissolves Serbian rocks underground to form a cavern B.