172 g NH4Cl=___ molecules

Which type of equation can represent the oxidation occurring in a reaction? 1 double replacement reaction equation 2 half reaction equation 3 neutralization reaction equation 4 transmutation reaction equation

Which of the following is most likely to produce data that are not precise

We have learned that the Lewis model portrays a chemical bond as the transfer or sharing of electrons represented as dots. Valence bond theory portrays a chemical bond as the overlap of two half-filled atomic orbitals.

Name one common misconception of thinking the Earth is closet to the sun during the summer

The elements in group 17 of the periodic table are all called halogens. All halogens have the same 0 atomic number. atomic mass. number of possible isotopes. number of valence electrons.

A balloon containing 0.0400 mol of a gas with a volume of 500 mL was expanded to 1.00 L. Answer the questions and round answers to nearest hundredth place. Which equation should you use to find the amount of gas added?

Can quadrilateral RSTU be a parallelogram

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

The density of rubbing alcohol is 0.785g/mL at 25 Celsius. Calculate the mass of 15.0 mL of the rubbing alcohol.

Is the universe an isolated system?