chem ch. 1-3
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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 🗑
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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 🗑
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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
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show | mass and volume
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show | gas
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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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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 🗑
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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 🗑
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The density of of aluminum is 2.70 g/mL. What is the volume of 27 g of aluminum? | show 🗑
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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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show | 1 x 10^3 g
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show | 2.5 mL
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show | 95 ft/s
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show | 99 lbs
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show | 574
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show | John Dalton
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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 🗑
|
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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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How many protons, electrons and neutrons are in 13C? | show 🗑
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How many protons, electrons and neutrons are in 44Ca+2? | show 🗑
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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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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 🗑
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Which list of terms below accurately describe Xenon (Xe)? | show 🗑
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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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show | Li, Na
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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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show | 2.3 x 1023
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show | Noble Gases, -2
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show | ionic
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show | Al2S3
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How many nitrogen atoms are in (NH4)3PO4? | show 🗑
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show | 1.1 x 10^25
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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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What is the name of NaCH3COO? | show 🗑
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show | magnesium fluoride
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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
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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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show | It contains 96 g of carbon.
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show | dihydrogen monoxide
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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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Which compound below contains covalent bonds? | show 🗑
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tbmartin2
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