Melting ice is an example of which of the following?

Question 1 options:

endothermic reaction

exothermic reaction

isothermic reaction

chemical reaction

Ligase is The Gluer Not sure The Builder

The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds. Where should Brenda place this property in her table? only in the column for metalloids

What is the molar mass of Al2 (SO3) 3

Zinc and sulfur react to form zinc sulfide according to the following equation 8Zn+S8--->8ZnS A) if 2.00 mol of zinc are heated with 1.

What type of matter is colored water? a. a heterogeneous mixture b. an element c. a homogenous mixture?

An organic compound is one that contains the element carbon. true or false

Most thermal energy in the atmosphere is transferred by what

Identify water. weak electrolyte, weak acid nonelectrolyte strong electrolyte, strong acid weak electrolyte, strong acid strong electrolyte, weak acid

What is the atomic weight of a hypothetical element consisting of two isotopes, one with a mass of 62.2 u which is 24% abundant, and the other with a mass of 64.0 u?

A pure compound contains 24 g C, 4 g H, and 32 g O. If no other elements are present, determine the empirical formula of the compound. Be sure to show your work.