Why are bones hard and muscles soft

What does an inverse relationship mean?

What is ΔG° at 298 K for the following equilibrium? Ag + (aq) + 2NH3 (aq) Ag (NH3) 2 + (aq); Kf = 1.7 * 107 at 298 K a. 41 kJ b. 0 c. - 41 kJ d. 18 kJ e. - 18 kJ

An ice cube is placed in a warm drink. Which statement correctly describes the energy involved in the system? Heat is transferred from the drink to the ice cube. o Heat is transferred from the ice cube to the drink.

What is the mass (in grams) of 9.83 * 1024 molecules of methanol (CH3OH) ?

Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to A lessen the amount of insecticides in the environment B eliminate diversity in wildlife C lessen the environmental impact of acid rain D use non chemical

How much energy is required to vaporize 0.5kg of water?

Can u give me uses of sodium

Why are the internal structures of these limbs similar?

If this energy were used to vaporize water at 100 ∘C, how much water in liters could be vaporized? Assume that the density of water is 1.0 g/mL. The heat of vaporization of water at 100 ∘C is 40.7 kJ/mol.

How many moles of solid naf would have to be added to 1.0 l of 2.39 m hf?