Cards in this guide (21)
The subscripts of a compound indicate
Identify the gas law that is used to describe gas behavior under a specific set of circumstances
Which of these is determined by an empirical formula
the lowest whole number ratio of elements in a compound A+
What is a double replacement equation is composed of
A double replacement equation is composed of two compounds
reacting to form two different compounds.
The ideal gas law measures pressure in
The ideal gas law measures volume in
Add a coefficient when you need to
balance the reactant side with the product side of the
equation.
Omar was recording his preliminary data before beginning an experiment on gas behavior The room temperature was 298K and atmospheric pressure was 1 ATM Omar used an acceptable abbreviation of thes
The molar mass of a mole of lead is approximately grams
Choose the correct formula for finding percent of yield
(practical yield/theoretical yield) x 100
Sophie was asked to distinguish gases from solids and liquids Which of the following answers would be most correct
Gases are the least dense, have the greatest particle energy,
and have no specific shape.
This term indicates that a problem is asking how much of a product will be made by a reaction
Using the periodic chart indicate the most common charge of elements Type the correct answer then press Enter Include plus or where necessary
What term is defined as the number of moles of solute divided by the number of liters of solution
Molarity, abbrev. M, units: mol/L, mmol/ml
The elements in an imaginary compound exist in the mole ratio of 1 3 1 for elements XY What will the empirical formula for the compound be
Calculate the number of moles in 27.50 grams CaCOËÄ Type the correct answer then press Enter
Convert this temperature to the Kelvin scale -146ô C
To convert any temperature to the kelvin scale, when its in oC
add on 273.
so in answer to your question, -146oC = 127K
Convert this temperature to the Kelvin scale 0ô C
The formula for sugar is C12H22011 how many moles of carbon are in 2 moles of sugar
If there are 2 moles of sugar. and 12 atoms of carbon per sugar
molecule then there will be 24 moles of carbon atoms.
A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas below
The formula for benzene is C6H6. Figure the molar mass of benzene to the nearest gram
The molar mass of benzene is 78 g.
