Chemistry

Convert 3.00 * 10 ^ 26 molecules of carbon dioxide gas at STP to L. 1.What is the coefficient of the scientific notation answer? 2.What is the exponent of the scientific notation answer? 3.How many significant figures are there in the answer ? 4.What is the right most significant figure in the answer?
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Answer correctly please
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What volume, in milliliters, of water is needed to make an 8.40 M solution of HCl acid using 180. grams of HCI ?0 603 mLO 41.4 mL0 587 ml0 24.1 mL
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you have a square with a Perimeter of 16 in,, what is the Area of the square after scaling it by 5?inches
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26. What are two water cycle processes not represented by arrows in this cross section?1) transpiration and condensation 3) precipitation and freezing2) evaporation and melting4) runoff and infiltration
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How can you control the flow of power in a circuit?
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Objects A and B are brought close to each other. Object A will soon become positively charged. Identify the charge that much transfer for this situation to occur.
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Would a rollercoaster have the greatest kinetic energy at the top of the highest hill or at the bottom on the highest hill
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1. What are the differences between lonic and covalent bonds?
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How does a solution with a pH of 2 compare to a solution with a pH of 1?The pH 2 solution is ten times more acidic than that with a pH of 1.The pH 1 solution is two times more acidic than that with a pH of 2.The pH 2 solution is two time more acidic than that with a pH of 1.The pH 1 solution is ten times more acidic than that with a pH of 2.
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Question 5Complete the following analogy:Reflection nebulae : blue :: emission nebula:Greenish-blueYellowRedPinkish-red
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the volume of 5.00 M KBr needed to have 1.00 mol KBr mL
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PLEASE Answer asap! Compare two periodic families below. You must include at least two facts about each family. You may use any description of properties or periodic trends to help you.
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which wet land is known for the large trees in the water known as bottomland hardwoods?A. Central TexasB.South TexasC. East texas
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Smoking cigarettes is a lifestyle choice that may lead to cardiovascular disease.Some people who have never smoked cigarettes still have cardiovascular disease.Give two other factors that may contribute to the occurrence of cardiovasculardisease.
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A gas at a temperature of 300 K occupies a 5 L flexible container at a pressure of 150 kPa. What volume will it occupy at STP?
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7. Which word BEST describes symbiosis?O A. ecosystemO B. relationshipO C. livingOD. environment
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How many moles are in 30.1 grams of O ? Watch your significant figures.et1.88 moles O1.9 moles O1.88 g O2.00 g O
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At conditions of 785 torr of pressure and 233k a gas occupies a volume of 45.5mL what will be the temperature of the same gas at 745 torr and 634L
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Why do atoms connect to eachother?
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Cars are the leading cause of____1. carbon dioxide2. nitrogen oxide3.carbon monoxide pollution
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