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chem ch. 1-3

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Question
Answer
show matter  
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show mass and volume  
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Which state of matter has no definite shape or volume?   show
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How could you convert a gas to a solid?   show
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pecan pie is a   show
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show compound  
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show reactivity  
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show burning  
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325 K =   show
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show 25.34g  
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show 18.31cm  
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Which measurement is a correct measurement from a 100 mL graduated cylinder?   show
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Drew Bledsoe, threw 70 passes. He completed 45 of the passes. What was the percentage of completed passes, to the correct number of significant figures?   show
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show 100 times more precise  
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what's the purpose of sig figs   show
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show 10mL  
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show 100,000  
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Suppose you have three samples, A, B and C. They all have the same mass but the volumes are different; the volume of A is less than the volume of B and the volume of B is less than the volume of C. Which statement below must be true?   show
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show 5.5 x 10^3 g  
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show 0.82ft  
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One kg =   show
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show 2.5 mL  
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What speed is 65 miles per hour (mph) in feet per second (ft/s)?   show
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Osmium is the most dense element; its density is 22.56 g/mL. How many pounds are in 2.0 L of osmium?   show
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At what temperature are the Kelvin and Fahrenheit scales the same?   show
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Whose theory of the atom says that pure vitamin C isolated from an orange is the same as pure vitamin C made in a lab?   show
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Who performed the "gold-foil" experiment that proved the nuclear model of the atom?   show
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Who discovered the electron and said electrons are distributed in the atom like plums in plum pudding?   show
🗑
Who first calculated the charge of an electron in his "oil-drop" experiment?   show
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show small, massive, positively-charged nucleus surrounded by a large cloud of electrons  
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show 6 protons, 6 electrons and 7 neutrons  
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show 20 protons, 18 electrons and 24 neutrons  
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Which particle determines the identity of an element? atomic number   show
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show 19F-  
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show 116.20 amu  
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Elements in the Periodic Table are in order of increasing   show
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Which list of terms below accurately describe Xenon (Xe)?   show
🗑
How many periods and groups are in the periodic table?   show
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show tungsten, W  
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which element is the most reactive?   show
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Which pair of elements have the most similar chemical and physical properties?   show
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How many moles are in 24g of Carbon   show
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Which sample contains the largest number of atoms?   show
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How many atoms are in 15 g of potassium?   show
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show Noble Gases, -2  
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show ionic  
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What's the chemical formula for aluminum sulfide?   show
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How many nitrogen atoms are in (NH4)3PO4?   show
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How many hydrogen atoms are in 90. g of C2H6?   show
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Determine the empirical formula of the compound that contains 85.7 % C and 14.3 % H.   show
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Determine the empirical formula of the compound that is 29.4 % calcium, 23.6 % sulfur and 47.0 % oxygen.   show
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show sodium acetate  
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What's the name of MgF2?   show
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show 13g  
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show helium  
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show C2H4  
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Suppose the empirical formula of a compound is BH3 and its molar mass is 27.6 g/mol. What is the molecular formula of this compound?   show
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What's the name of N2O4?   show
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How many molecules of SF4 are in 25 g of SF4?   show
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Which statement about 1.00 mol of C8H10N4O2 (caffeine) is true?   show
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H2O is commonly called water. What's another name for H2O?   show
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What's the chemical formula for calcium phosphate?   show
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What's the name of CuS?   show
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What's the chemical formula for tin(IV) oxide?   show
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What's the name of CuSO4?   show
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show XeO2  
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show matter  
🗑
show mass and volume  
🗑
show gas  
🗑
How could you convert a gas to a solid?   show
🗑
pecan pie is a   show
🗑
Dry ice is solid carbon dioxide (CO2). Dry ice is a(n)   show
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Which property below is an example of a chemical property?   show
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show burning  
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show 126 F  
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When a sample is placed on a digital balance, the display reads 25.34 g. What number would you record as the mass?   show
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show 18.31cm  
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Which measurement is a correct measurement from a 100 mL graduated cylinder?   show
🗑
show 64%, 64.3%, 64.29% all of the above  
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Compared to 25 cm, 25.00 cm is   show
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what's the purpose of sig figs   show
🗑
The density of of aluminum is 2.70 g/mL. What is the volume of 27 g of aluminum?   show
🗑
show 100,000  
🗑
Suppose you have three samples, A, B and C. They all have the same mass but the volumes are different; the volume of A is less than the volume of B and the volume of B is less than the volume of C. Which statement below must be true?   show
🗑
show 5.5 x 10^3 g  
🗑
show 0.82ft  
🗑
show 1 x 10^3 g  
🗑
show 2.5 mL  
🗑
show 95 ft/s  
🗑
show 99 lbs  
🗑
show 574  
🗑
show John Dalton  
🗑
Who performed the "gold-foil" experiment that proved the nuclear model of the atom?   show
🗑
Who discovered the electron and said electrons are distributed in the atom like plums in plum pudding?   show
🗑
Who first calculated the charge of an electron in his "oil-drop" experiment?   show
🗑
show small, massive, positively-charged nucleus surrounded by a large cloud of electrons  
🗑
How many protons, electrons and neutrons are in 13C?   show
🗑
How many protons, electrons and neutrons are in 44Ca+2?   show
🗑
Which particle determines the identity of an element? atomic number   show
🗑
show 19F-  
🗑
The first isotope has a mass of 115.30 amu and a natural abundance of 60.11 %. The other isotope has a mass of 117.55 amu and a natural abundance of 39.89 %. What is the atomic mass of this hypothetical new element?   show
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Elements in the Periodic Table are in order of increasing   show
🗑
Which list of terms below accurately describe Xenon (Xe)?   show
🗑
How many periods and groups are in the periodic table?   show
🗑
show tungsten, W  
🗑
which element is the most reactive?   show
🗑
show Li, Na  
🗑
How many moles are in 24g of Carbon   show
🗑
Which sample contains the largest number of atoms?   show
🗑
show 2.3 x 1023  
🗑
show Noble Gases, -2  
🗑
show ionic  
🗑
show Al2S3  
🗑
How many nitrogen atoms are in (NH4)3PO4?   show
🗑
show 1.1 x 10^25  
🗑
Determine the empirical formula of the compound that contains 85.7 % C and 14.3 % H.   show
🗑
Determine the empirical formula of the compound that is 29.4 % calcium, 23.6 % sulfur and 47.0 % oxygen.   show
🗑
What is the name of NaCH3COO?   show
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show magnesium fluoride  
🗑
What's the mass of carbon in 15 g of C8H18?   show
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All the elements listed below are diatomic except   show
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show C2H4  
🗑
Suppose the empirical formula of a compound is BH3 and its molar mass is 27.6 g/mol. What is the molecular formula of this compound?   show
🗑
What's the name of N2O4?   show
🗑
How many molecules of SF4 are in 25 g of SF4?   show
🗑
show It contains 96 g of carbon.  
🗑
show dihydrogen monoxide  
🗑
What's the chemical formula for calcium phosphate?   show
🗑
What's the name of CuS?   show
🗑
What's the chemical formula for tin(IV) oxide?   show
🗑
What's the name of CuSO4?   show
🗑
Which compound below contains covalent bonds?   show
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