Explain how a balanced chemical equation is related to the law of conservation of mass.

What is x + 4 = - x - 4?

90.00 ml of 0.25 M calcium hydroxide are required to titrate 100.00 ml of hydrochloric acid. What is the molarity of the HCI? Report your answer to 2 SF with no unit.

List and describe the three rock types in the rock cycle including two or more processes involved in the formation of each type

Are products or reactants of this reaction storing more energy in their chemical bond?

Which is a symptom of the common cold? mild fever itchy feet liver failure shaky hands

Consider the following thermochemical equation: C (s) + O2 (g) → CO2 (g) ΔH = - 393 kJ CO (g) + ½O2 (g) → CO2 (g) ΔH =

Two colorless solutions are mixed together. Bubbles form as the solution is stirred. Give TWO possible explanations for this result.

What is a light-year? A. the distance light travels in one earth year B. the distance light travels from the sun to the earth C. the distance light travels in one orbit of the moon D. the time it takes light to travel across the universe

What's is a logical way that you could begin to investigate why your tire had low air pressure?

after balancing the redox equation FeCl3+Zn--->ZnCl2+Fe, what are the coefficients, in order from left to right?