When 895-J of heat is applied to a sample of iron metal the temperature increases by 55.0oC. Determine the mass of the metal sample.

Adozen is 1221/12 = 1.751.75 x 12 = 21therefore, 1.75 is the answer.

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

Neither model is able to show the reactivity of potassium.

Electrons are emitted