What is the mass number of an atom with 5 proton and 7 neutrons

How many grams of sucrose, CiH 2011. must be dissolved in 750 mL of water to prepare a 0.250 molar solution? a. 64.1 g C. 85.5 g e. 96.49 b. 114 g d. 78.2 g

What do you notice about the reactivity of an element and the number of valence electrons it have?

What is one waste product that is produced when nonrenewable resources such as natural gas, oil, and coal are burned?

How many grams are in 7.5 moles of chromium?

In a redox reaction, what happens to a substance's charge when it is reduced? A) it gets more negative B) it becomes neutral C) it gets more positive D) it becomes reactive

Which state of the West produces the widest varieties of fruits, vegetables, and nuts? A) California B) Colorado C) Wyoming D) Alaska

A chemical engineer for a fertilizer company is determining the most efficient way to produce ammonia. the engineer carries out the haber reaction under four different conditions.

What type of Bond exist in a molecule of hydrogen Iodide

Which common material is an example of a polyamide?

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘ C. How many grams of this gasoline would fill a 12.8 gal tank (1US gal=3.78L) ?