From the formula MgO how do you know that Mg is the metal?

Which is a characteristic of a synthesis reaction A. There is more than one reactant b. The general formula is a-b+c c. all reactants are elements d. more than one product forms

A student decides to conduct a comparative investigation to study properties of elements, What is a benefit of conducting a comparative investigation rather than a descriptive investigation?

A rechargeable battery initially stores 3.6 kJ of chemical energy. Anna puts the battery in a flashlight, where 2.1 kJ of energy are transformed into light and heat. Then, Anna puts the battery in a charger, where 6.

What are the uses of crude oil?

5. The partition coefficient of Compound A is 7.5 in dichloromethane (a. k. a. methylene chloride) with respect to water. a.

What are groups 1, 2, and 3 examples of on a periodic table of elements? A) Metals B) Nonmetals C) Metalloids D) Noble gass

What is the complete balanced equation for the reaction that occurs when lithium carbonate (Li2CO3) is heated?

Which statement best compares coastal ecosystems to open ocean ecosystems? Coastal ecosystems include abyssopelagic depths, and open ocean ecosystems do not.

If you are given a 1.0 L (1000mL) of an unknown liquid which has the mass of 500 grams it is most likely which of the above substances? Show work to back up your answer. Distilled water density 1.0 g/cm^3 propane density 0.

When 3.05 moles of ch4 are mixed with 5.03 moles of 02 the limiting reactant is?