How much energy is required to heat 32.5 g of water from 34°C to 75°C

Consider four beakers labeled a, b, c, and d, each containing an aqueous solution and a solid piece of metal. identity the beakers in which a chemical reaction will occur and those in which no reaction will occur.

The table below gives some characteristics of element Y what is the identity of element Y

A single atom of an element has 11 protons 11 electrons and 12 neutrons what element is it

Why are cells often considered characteristics of life

A compound's percent composition is 75% c and 25% h. what is the empirical formula of the compound?

If an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density of water? explain

What is made when salt is dissolved in water? A a precipitate B a mixure C a solution D a compound

What type of electromagnetic waves does the human eye see as the colors red blue or green A Visible light waves B Radio waves C infrared waves D microwaves

10. What is the molarity of a MnO4 - solution if 23.5 mL of this solution is required to react completely with 30.0 mL of 0.134 M Fe2 solution according to the equation 5Fe2 (aq) MnO4 - (aq) 8H (aq) - --> 5Fe3 (aq) Mn2 (aq) 4H2O (l)

What is the percentage of carbon in 5.00 g of sucrose