How does the temperature affect the rate in which sugar dissolves?

An element that would have properties similar to the properties of phosphorus is 1. sulfur (S). 2. arsenic. 3. nickel.

What compotent of air is least nessasery for life on earth

When representative elements form ionic compounds which elements achieve full octets? metals and nonmetals nonmetals only neither metals only

What is the difference between physical change and chemical change?

You use an iron to press a shirt. what energy transformation is performed by the iron A heat energy to chemical energy B electrical energy to heat energy C gravitational potential energy To kinetic energy D kinetic energy to light energy

Mizar is a star system that is composed of two pairs of stars, mizar A and mizar B, or four stars in total. What do astronomers call a system that is composed of more than two starts?

A 25.00 g solid sample of Ca (OH) 2 was added into 1250 mL of 0.400 M HCl aqueous solution. The temperature of the solution was decreased from 36.6oC to 20.0oC. Assuming Ccal of the reaction is 5.225 kJ/oC, how much heat is involved in the reaction?

Why isn't a largest predator just at the top of a food web?

What is the electrical charge of a cation? A. zero B. positive C. negative

You measure the mass of a model car to be 230 grams. The actual mass is 218 grams. what is your percent error