Which is an example of a chemical change?

mixing of poster colors

formation of clouds

metal corroding in salt water

sugar dissolving in water

separating salt from seawater

In response to scientific understanding about food-borne disease, what have scientists and health officials recommended be used to keep people safe without affecting the taste or nutrient content of foods such as lettuce and other vegetables? A.

What is the difference between boyle temperature and critical temperature?

Will a reaction occur in KCl + Br2 = KBr + Cl2

Suppose that in the synthesis of benzoic acid, a student uses 1.333 grams of magnesium, 7.122 grams of bromobenzene, and 15.933 grams of dry ice. if the mass of benzoic acid obtained were 4.66, what was the percent yield?'

Hat are the main properties of solids (in contrast to liquids and gases) ?

What is similar to iodine by chemical characteristics

The arrangement of electrons in the orbitals of an atom

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale

Calculate the moles of new H₂ O₂ using the balanced formula below and the average moles of KMnO₄ from calculation #2. The average moles of KMnO₄ is 0.90mol. 2KMnO₄ + 5H₂O₂ + 3H₂SO₄ → K₂SO₄ + 2MnSO₄ + 8H₂O + 5O₂ Edit: I got 2.