Carnot Cycle. If a boiler's heat source produces 106 Btu/hr at 600F, what is the highest possible rate at which work may be produced? The ambient air is 70F.

The following reaction was performed in a sealed vessel at 760 ∘C : H2 (g) + I2 (g) ⇌2HI (g) Initially, only H2 and I2 were present at concentrations of [H2]=3.85M and [I2]=2.35M. The equilibrium concentration of I2 is 0.0500 M.

Which of these properties is the best one to use for identification of an element? 1. the number of neutrons in the atomic nucleus 2. the number of protons in the atomic nucleus 3. the number of isotopes that are formed by the element 4.

20950 joules of heat are added to a container with 400 g of water. how much does the temperature change? Show work and formula.

Just a general question. No blocking. No mean comments ... Is water wet ... ? Just to test y'all knowledge

In which two compounds are electrolyes.

Why did Whittaker propose a five kingdom system

Why is melting an ice cube a reversible physical change?

What volume of 0.500 M zinc nitrate contains 2.94 g of zinc nitrate?

Which statement is true about the elements fluorine, chlorine, and oxygen? A. They are all halogens. B. They react easily with metals. C. They are similar to noble gases. D. They are all nonmetals.

What kind of element has the greatest tendency to attract electrons? why?