What are compounds?

1) Pure substance

2) homogeneous mixtures

3) heterogeneous mixtures

If x is 5, then 6x = ___. 30 30x 5x

How many iron atoms contained in a 0.83 mole sample of iron

Which of the following is the correct name for the compound hgs? mercury sulfide mercury (i) sulfide mercury (ii) sulfide mercury monosulfide?

Aluminum + oxygen yields aluminum oxide Write a balanced equation for this chemical reaction. A) Al + O → AlO B) Al + O → Al2O3 C) 2Al + 3O2 → Al2O3 D) 4Al + 3O2 → 2Al2O3

Under standard conditions, a given reaction is endergonic (i. e., ΔG >0). Which of the following can render this reaction favorable: using the product immediately in the next step, maintaining a high starting-material concentration, or keeping a

Determine the relative formula mass of glucose (C6H12O6) using the periodic table below. A. 29.1 g/mol B. 24.0 g/mol C. 15.0 g/mol D. 180.1 g/mol

How many moles of potassium chloride are in 28 grams of KCl? A.).265 mole KCl B.).856 mole KCl C.).376 mole of KCl (think it's this but idk) D.) 1.2 mole KCl

An unknown liquid has a pH lower than 7, conducts electricity poorly, and tastes sour, what kind of solution is the unknown?

Five beans have a mass of 2.1 g. How many beans are in 0.454 kg of beans.

As the temperature of a liquid goes up, the average speed of its particles. This means that the kinetic energy of the particles