How many things are in 1 mole?
6.02 x 1023 things
How many sig figs are present in the following number?
1.020
4 significant figures
Write the chemical formula of the following molecule.
Cesium fluoride
CsF
Salad is which type of mixture?
Heterogeneous
Predict the products of the reaction: You don't have to balance the equation.
H2O + Li2O =
LiOH
What is the molar mass of NaCl?
58.5 g/mol
How many sig figs are present in the following number?
0.020460010
Write the common name of the following chemical formula.
LiNO3
Lithium nitrate
Milk is what type of mixture?
Colloid
Predict the products of the reaction: You don't have to balance the equation.
Mg(ClO3)2 =
MgCl2 + O2
What is the molar mass of Li2O?
30 g/mol
Perform the following calculation and round answer to appropriate significant figures.
0.340 + 1.204 - 0.76 =
= 0.784
Rounded to 0.78
Write the chemical formula of the following molecule.
Hexaboron trinitride
B6N3
Gasoline is what type of mixture?
Solution
Predict the products of the reaction: You don't have to balance the equation.
Na + H2O =
Na2O + H2
How many moles are in 17.2 grams of potassium fluoride?
0.30 moles KF
Perform the following calculation and round answer to correct number of significant figures.
23.56 / (19.01 x 4.00)
= 0.3098369279
Rounded to 0.310
Write the chemical formula for the following molecule.
Copper (II) percarbonate
CuCO4
Unrelated question!
Which US state coined the term "cheeseburger"?
Colorado
While there's much contention around where the cheeseburger was really invented, it was in Colorado that the term was coined. Trademarked by Louis Ballast of Denver's Humpty Dumpty Drive-In in Denver in 1935, there's even a roadside monument, opened in 1987, that's dedicated to the significant event in fast food history.
Predict the products of the reaction: You don't have to balance the equation.
NaCl + KI =
No Reaction
How many grams are present in 1.2 x 1024 molecules of HCl?
73 grams HCl
Perform the following calculations and round answers to correct number of significant figures.
(12.010 x 120) / (0.40 x 13.4) =
268.880597
Rounded to 270
Give the common name of the following chemical formula.
Zinc (IV) hypophosphite
Zn3(PO2)4
Unrelated question!
Which country produces the most movies every year?
India!
1,900 last year alone!
Predict the products of the reaction: You don't have to balance the equation.
NH4OH + H2SO4 =
H2O + (NH4)2SO4