Cards in this guide (25)
How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen
Four (4) moles of magnesium oxide are formed when 4 moles of
magnesium react with oxygen.
The subscripts of a compound indicate
Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction
A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask What will be the new gas pressure
The ideal gas law measures pressure in
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
Which of these answers best defines climax
the turning point of the story at which the most action
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
A gas held in a 25.3 mL container is heated from 25 C to 37 C What is the final volume of the gas
How many grams of water will be needed to produce 1.5 moles of acetylene gas
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
A compound is found be 36.5 percent Na 25.3 percent S and 38.0 percent O What is its empirical formula
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
Which of the following factors does NOT affect the behavior of a gas in a closed container
- The average kinetic energy.
Convert this temperature to the Kelvin scale 0ô C
A compound formed of 0.059 mol hydrogen and 0.94 mol oxygen has a molecular mass of 34.0 gmole What is the molecular formula of this compound
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.
What type of conflict is illustrated by this scenario A man questions his religious teachings and seeks the meaning of life
individual vs. the universe
Copper will react with silver nitrate to form copper nitrate and silver From this reaction 127.1 grams of copper will produce how many grams of silver
How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen 4Na OËÃ æ 2NaËÃO
How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen 2Mg OËÃ æ 2MgO
2Mg + O2 --> 2MgO
4 moles as this reaction is one to one here.
A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas below
Choose the best definition of STP
a term that indicates a combined measurement of standard atmospheric pressure and room temperature. A+