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Which of the following is an ionic compound? |
LiCl |
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Which of the following is an ionic compound? |
Mg3(PO4)2 |
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Which of the following contains BOTH ionic and covalent bonds? |
CaSO4 |
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Which of the following is a molecular compound? |
SrSO3 |
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Which of the following is a molecular compound? |
P4010 |
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A covalent bond is best described as |
the sharing of electrons between atoms |
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An ionic bond is best described as |
the transfer from one atom to another |
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Which of the following is a molecular element? |
S |
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Which of the following is a molecular element? |
I |
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Which of the following is an atomic element? |
Mg |
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What is the empirical formula for C4H10O2? |
C2H5O |
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What is the empirical formula for Hg2(NO3)2? |
HgNO3 |
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Write the formula for the compound formed between potassium and sulfur. |
K2S |
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Write the formula for barium nitrite. |
Ba(NO2)2 |
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Write the formula for copper (II) sulfate pentahydrate. |
CuSO4*5H2O |
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Write the formula for strontium nitride. |
Sr3N2 |
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Determine the name for TiCO3 |
titanium (II) carbonate |
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Write the name for Sn(SO4)2 |
tin (IV) sulfate |
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Write the name for Ca3(PO4)2 |
calcium phosphate |
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Determine the name for CoCl2*6H2O |
cobalt (II) chloride hexahydrate |
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Determine the name for P4O10 |
tetraphophorus decaoxide |
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Determine the name for N2O5 |
dinitrogen pentaoxide |
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Determine the name for Cl2O |
dichloro monoxide |
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Determine the name for H2CO3 |
carbonic acid |
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Determine the name for HClO3 |
chlorate acid |
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Determine the name for aqueous HBr |
hydrobromic acid |
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Which of the following compounds is ethanal? |
C2H5OH |
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Calculate the molar mass for Mg(ClO4)2 |
223.21 g/mol |
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Calculate the molar mass for Al(C2H3O2)3 |
204.13 g/mol |
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Calculate the molar mass of Ca3(PO4)2 |
310.18 g/mol |
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Write a balanced equation to show the reaction of sulfurous acid with lithium hydroxide to form water and lithium sulfite |
H2S (aq) + 2 LiOH (aq) → 2 H2O (l) + Li2S (aq) |
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Write a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor |
2 C2H6 (g) + 5 O2 → 4 CO (g) + 6 H2O (g) |
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Write a balanced equation to show the reaction of aqueaous aluminum acetate with aqeuous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate |
Al(C2H3O2)3 (aq) + (NH4)3PO4 (aq) → ALPO3 (s) + 3 NH4CO2(aq) |
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How many N2O4 molecules are contained in 76.3 g N2O4? the molar mass of N2O4 is 92.02 g/mol. |
4.99 x 1023 N2O4 molecules |
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How many C2H4 molecules are contained in 45.8 mg of C2H4? molar mass of C2H4 is 28.05 |
9.83 x 1020 C2H4 molecules |
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what is the mass of 6.89 x 1025 molecules of CO2? molar mass of CO2 is 44.01 |
5.04 |
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What is the mass of 9.44 x 1024 molecules of NO2? molar mass of NO2 is 46.01 |
721 |
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How many atoms of oxygen are contained in 47.6 g of Al2(CO3)3? the molar mass is 233.99 |
1.10 x 1024 O atoms |
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How many sodium ions are contained in 99.6 mg of Na2SO3? molar mass is 126.05 |
9.52 x 1020 sodium ions |
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How many moles of N2O3 contain 2.55 x 1024 oxygen atoms? |
1.41 moles of N2O3 |
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How many moles of PCl3 contain 3.68 x 1025 chlorine atom? |
20.4 moles PCl3 (2.55 x 1024)/(6.022 x 1023)/3 |
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How many moles of PCl3 contain 3.68 x chlorine atoms? |
20.4 moles PCl3 (3.68 x 1025)/(6.022 x1023)/3 |
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How many moles of C3H8 contain 4.95 x 1024 hydrogen atoms? |
1.03 moles C3H8 (4.95 x 1024)/(6.022 x 1023)/8 |
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How many millimoles of Ca(NO3)2 contains 4.78 x 1022 formula units of Ca(NO3)2? molar mass of 164 |
79.4 mmol Ca(NO3)2 |
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How many moles of C3H8 contain 9.25 x 1024 molecules of C3H8? |
15.4 moles C3H8 |
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Calculate the mass percent composition of sulfur in Al(SO4)3 |
28.12% sulfur |
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Calculate the mass percent of lithium in Li3PO4 |
17.98% lithium |
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How many moles of NO are formed from 8.44 moles of NO2 in the balanced equation 3NO2 + H20→ 2 HNO3 + NO |
2.81 (8.44)/3 |
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What is NOT a strong electrolyte? |
MgCO3 |
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what is a strong electrolyte? |
NH4NO3 |
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