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Which of the following is the Arrhenius equation?
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ProblemAtoms of which two elements have a combined total of 39 protons?A Nickle, Ni, and copper, CuB None of theseCPotassium, K, and calcium, CaDNitrogen, N, and oxygen, OSubmit AnswType here to search
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What are the non-living things that make up an ecosystem?
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Question 1is a group of two or more atoms that is held together by bonds.O A A metalO B. An atomO C. A moleculeD. An element
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If you add more molecules but do not change the temperature or the pressure, what will happen to the system?the molecules will move fasterO the volume will decreasethe volume will increasethe molecules will move slower
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How many total oxygen (O) atoms are present in the reactants side of the equationC2H20H + 302 2002 + 3H20?2
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Helium on the Moon was found to be 0.420% 2He, 2.75% 3He, and 96.83% 4He. What is the average atomic mass of helium on the Moon?
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PLZ HELP ASAP WILLGIVE BRAINLISTS TO RIGHT ANSWER 2KCIO3 2KCI + 302How many grams of potassium chloride are produced if 52 g of potassium chlorate decompose?A )32 g KCIB )19 g KCIC)44 g KCID)1.5 g KCI
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Which has more mass: a stick of 4 counting cubes or a pile of 4 counting cubes?
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does a fish's scales shred as the fish grows larger
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which of the following situations violates the law of conservation of energy?A. a ball dropped from the top of a building in speed until it hits groundB. a block sliding freely on level ice increases in speed until it hits a wallC. A child playing on a swing moves fastest at the bottom of the swing's pathD. The height a ball bounces decreases with each bounce
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What is the Molarity of a 2 liter solution containing 43.55 grams of K2504?
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Which factors directly affect the magnetic force produced by an electromagnet?O number of turns in the wire, amount of currentO amount of current, type of forceO length of core, number of turns in the wireO amount of current, length of core
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the question is a picture pls help
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Sodium chloride reacts with phosphoric acid to form sodium phosphate and hydrochloric acid.Answer in a balanced chemical equation.
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How many atoms are in 4.1 grams of zinc?
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Why are the non-living things important to an ecosystem?
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What produces the magnetic force of an electromagnet? O magnetic fields passing through the deviceO static charged particles on the wireO movement of charged particles through the wireO positive and negative charges repelling each other
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A gray element that borders on the zigzag line of the periodic table, is ductile and malleable, but is not a very good conductor of heat or electricity is known as which of the following? A. metalB. halogenC. metalloidD. nonmetal
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2 questionsPopeyes or KFCMcdonalds, Wendys, Burger King, Shake Shack, or Chick Fil A
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A solution with a pH of 11 has a [H] of: 11 1x 10-31x 10-11 1x 10111x 103
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3. How many grams of oxygen are needed for thecomplete combustion of 11 grams of propane, C3H8?C3H8 + 5 O2 + 3 CO2 + 4 H2O
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Using your own words whats the difference between weather and climate
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identify which element is oxidized and which element is reduced.PLZ HELPP...
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