Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
What is the formula for ammonium sulfide?
Periodic table[1].pdf Correct Answer: Correct (NH4)2S |
What is the name of NiSO3?
Correct Answer: Correct nickel (II) sulfite |
|
|
What is the name of MnCr2O7
Correct Answer: Correct manganese (II) dichromate |
What is the name for CO?
Correct Answer: Correct carbon monoxide |
|
|
What is the name of aqueous H2CO3?
Correct Answer: Correct carbonic acid |
Draw the dot formula for HCN (C is the middle), and state the type of bonds in this molecule.
Correct Answer: Correct 1 single bond and 1 triple bond |
|
|
What is the shape of the HCN molecule?
Correct Answer: Correct linear |
Draw the electron dot formula for ClO3- and state the type of bonds in this ion.
Correct Answer: Correct 3 single bonds |
|
|
What is the shape of the ClO3- ion?
Correct Answer: Correct trigonal pyramidal |
Draw the electron dot formula for SCl2. State the type of bonds in one molecule.
Periodic table[1].pdf Correct Answer: Correct 2 single bonds |
|
|
Use the dot structure you drew for the molecule SCl2. What is the shape of this molecule?
Correct Answer: Correct bent |
Is the molecule SCl2 polar or nonpolar
Correct Answer: Correct polar |
|
|
Which of the following molecules are nonpolar?
Correct Answer: Correct O2 |
Use the periodic trend in electronegativity to choose the bond below that is the most polar.
Periodic table[1].pdf Correct Answer: Correct C-F |
|
|
What are the coefficients for this reaction when it is balanced correctly? (Remember, when there is no number written in front of a molecule, it is a 1)
N2(g) + H2(g) --> NH3(g) Correct Answer: Correct None of these |
Balance the following reaction:
Co(s) + H2SO4(aq) --> Co2(SO4)3(aq) + H2(g) What is the coefficient in front of Co? Correct Answer: Correct 2 |
|
|
Complete and balance the following double replacement reaction:
MnCl2(aq) + (NH4)3PO4(aq) --> The products of this reaction before balancing are Periodic table[1].pdf Correct Answer: Correct Mn3(PO4)2(s) and NH4Cl(aq) |
If the following ions Mg2+, Cl-, Na+, OH- are placed in a test tube, the precipitate formed is
Correct Answer: Correct Mg(OH)2 |
|
|
What type of reaction is the following unbalanced reaction?
N2(g) + H2(g) --> NH3(g) Correct Answer: Correct combination |
If a piece of tin is placed in a solution of aluminum nitrate the result will be
Periodic table[1].pdf Correct Answer: Correct no reaction |
|
|
Caffeine is 49.5% C, 5.15% H, 28.9% N, and 16.5% O. What is the empirical formula for caffeine?
Correct Answer: Correct C4H5N2O |
Find the percent of oxygen in cocaine, C17H21NO4 (choose the number closest to your actual answer).
Correct Answer: Correct 21% |
|
|
What is the molar mass of Ni2(SO4)3? (If the exact answer is shown, pick the closest number)
Correct Answer: Correct 400 |
Which of the following represents 1 mole?
Correct Answer: Correct 18.02 g of H2O |
|
|
How many grams are in 3.00 moles of Mg?
Periodic table[1].pdf Correct Answer: Correct 72.9 g |
How many grams are in 3.78x1022 molecules of SO2?
Correct Answer: Correct 4.02 g |
|
|
Consider the following reaction
Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) How many moles of CaCl2 can be produced from 4 moles of HCl? Correct Answer: Correct 2 moles |
Consider the following reaction
Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) What mass of Ca is needed to produce 1.00 g of CaCl2? Periodic table[1].pdf Correct Answer: Correct 0.361 g |
|
|
Consider the following reaction
Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) Using the limiting reactant concept, how many moles of hydrogen can be produced from the reaction of 4.00 moles of calcium and 4.00 moles of hydrochloric acid? Correct Answer: Correct 2.00 moles |
Consider the following reaction
Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) If the theoretical yield of CaCl2 is 0.736 g and the actual yield is 0.703 g, what is the percent yield? Correct Answer: Correct 95.5% |
