Which of the following is an empirical formula? C_(3)H_(6) C_(3)H_(8) CH C_(2)H_(4)
Which of the following has the most mass per mole? Oxygen Nitrogen Carbon Potassium
Which of the following are the units for molarity? g/mL mol/L g/L mol/mL
When you balance the Separate Water simulation how many individual oxygen atoms do you need on the products side to complete the balanced equation? 1 2 3 4
Identify the geometry of [Cr(H_(2)O)_(6)]^3+ tetrahedral square planar octahedral trigonal planar bent
Q2: Fill in the blank. Know your __ type your text here
An element is best described as a material that has consistent physical properties. that has consistent chemical properties. that is pure. with more than one type of atom. consisting of only one type of atom.
What is the atomic number of Argon? 40 22 18
What is the name of this compound? Al(C_(2)H_(3)O_(2))_(3) ammonium acetate aluminum (III) acetate aluminum acetate ammonium carbonate
A synthetic lubricant presently used with ternary blends containing HCFCs is known as __ Alkylbenezene Polyalkylene Polywannacracker Polyolester
6. How many mols of $CO_{2}$ are formed with 4.87 grams of baking soda? Click on the letter in the formula to insert a number. $[A]x\frac {[A]}{[A]}\times \frac {[C]}{[D]}\times \frac {[D]}{[C]}=$
Fire is rapid oxidation, and an explosion is __ A) Always illegal B) Important C) A very rapid fire D) Unavoidable
15. What is the concentration of HCl $(M)$ in water if the solution is $36.0\% $ HCl by mass and has a density of $1.18g/mL$ A. 0.116 M B. 0.360 M C. 8.25 M D. 11.6 M E. 36.0 M
Which pair has the same empirical formula? $CH_{4}$ and $C_{2}H_{6}$ $NaCrO_{4}$ and $Na_{2}Cr_{2}O_{7}$ $C_{3}H_{6}O_{3}$ and $C_{2}H_{6}O_{2}$ $C_{2}H_{4}O_{2}$ and $C_{6}H_{12}O_{6}$
c. If a bronze statue grows darker in color over time, what color do you think tin oxide (SnO) is?
Multiple Choice 2 points A chemical reaction in which a larger molecule is built from smaller molecules is a(n) catabolic reaction. C synthesis reaction. exchange reaction. decomposition reaction.
How is energy changing when a match burns? Mechanical energy changes to heat energy and friction. Heat energy changes to chemical and light energy. Light energy changes to heat and chemical energy. Chemical energy changes to light
Multiple Choice 2 points Which of the following substances is an element? salt glucose iron water
Which of the following when mixed at equimolar concentrations, will result in the formation of a buffer solution? HCl and NaOH HClO and NaOH $HClO_{2}$ and $NaClO_{2}$ $HNO_{3}$ and $NaNO_{3}$
Which formula represents a nonpolar molecule containing polar covalent bonds?
