Chemistry

PLZ HELPFrozen ice caps in the Arctic Ocean are made out of_____A water vaporB salt waterC fresh waterD a mixture of salt and fresh water
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Which unit is NOT correctly paired?O Liters : VolumeO Formula Mass : CountO Grams: MassO Molecules : Mass
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blank a long narrow Stepside value that forms the deepest part of the ocean
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Which pieces of information do you need to locate a particular star on a star
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Which is NOT a way nitrogen can be fixed or made more useful? alightning bNitrogen fixing bacteria cdenitrification dassimilation
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HELPPP PLZZDuring lunch each day, Alex and Hailey have been noticing the trashcans around the lunchroom are filling rather quickly with cans and bottles. They decide a recycling program would be beneficial for their school and the environment, so they brainstorm ways to get the program started. Before discussing their idea with the principal, they need to decide which of their plans would best solve the problem. Which of their ideas would best solve the problem with the least amount of inconvenience (disturbance) for everyone involved? A) Ask volunteers to separate recyclable materials from the trash. B) Remove all vending machines that sell plastic bottles or aluminum cans. C) Get a petition started to build a recycling center close to the school. D) Place plastic and metal recycling bins next to each lunchroom trash can
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how many grams of iorn reacts with 71 grams of chlorine to produce 117 grams of sodium chloride
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I NEED HELPP ASAP!!!!!!
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Calculate the percent composition (out of 100) by weight of potassium in potassium carbonate decahydrate.
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What is the pH of a 2.0 10-4 M HCl solution?
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What is the correct formula for sodium carbonate?a. Na(CO3)2b. Na,(CO3)2C. Na2CO3Naz(CO)2e. NaCO3d.aabbdde
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How many ATOMS are in 7.32 moles of sulfurdioxide?
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How many grams are in 3.00 moles of carbon
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Shontal compared some of the properties of a marble to a pieceof wood. She placed a marble and a piece of wood in a bucket filledwith water. Shontal observed the wood floating on top of the water,but the marble sank to the bottom of the bucket. Which statementbest explains why the marble and piece of wood acted differently inthe water?
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During a hurricane, what effect can the ocean have on the beach?
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How many moles of magnesium bromide are formed when 3.0 moles of magnesium reacts with 2.0 moles of bromine
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Name the functional group in thefollowing molecule:HSCH2CH3A. alkaneB. amideC. thiolD. alkyl halide
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Mars is known as the red planet, and Neptune is known as the icy blue planet. What is a common characteristic between Mars and Neptune?
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Huck, I need help, and I don't get help, I'll Ducking do it again
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Pb(NO3)+MgI2=Mg(NO3)+PbI2 what type of reaction?
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If ONE mole of rocket fuel, ammonium perchlorate, NH4ClO4, is allowed to react with excess Al so that all of the NH4ClO4 is consumed, how many molecules of water will be produced? (All reactants & products are present in a 1:1 ratio.)
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Answer please... Answer
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Which surface will produce the most friction for the fan cart?GlassWoodMetalCement
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Can anybody do this?
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