How are man-made elements created?

If 25 mls of 0.01 M NaOH is added to 75 mls of 0.005 HCl, what is the resulting pH

Whats the difference between covalent and ionic bonds

What is the smallest part of an element that has all the properties of that element?

What is 350 kelvins on the Celsius scale of temperature? 77°C 177°C 350°C 623°C

Does a compound with a stronger hydrogen bond than water have a higher specific heat than water?

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?

One of the characteristics of living things is that they respond to external changes in their environment so that their internal environment stays as stable as possible. why must an organism do this

A 21.0 kg child is running at a velocity of 2.50 m/s. The child is carrying a 2.25 kg gallon of milk. What is the momentum of the child and the milk together?