7) Determine the number of tin atoms in 7.5 moles of tin.

The molar mass of tin is 118.71 g/mol

How can the pH of a solution be calculated if the pOH is known? A) by taking the negative logarithm of pOH B) by adding the pOH to 14 C) by raising 10 to the power of - pOH D) by subtracting the pOH from 14

Whats the density of Lithium, is it high or low?

Why does reducing solute particle size increase the speed at which the solute dissolves in water? A. It makes the temperature of the water significantly higher. B. It exposes morg of the solute to the water molecules. C.

What are standard conditions for gas measurements

Consider four elements from Group 7A: fluorine in the second period, chlorine in the third period, bromine in the fourth period, and iodine in the fifth period. Which element has the largest first ionization energy?

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?

Write a brief explanation about why a plant extract is a mixture

What is an element that has more valence electrons than fluorine and less energy levels than sodium?

Why can't we breathe in pure oxygen for long

In warm water conditions, female offspring hatch from eggs laid by painted turtles. Male offspring are produced under cold conditions.