Chemistry

how many number of electrons are in nitrogen and aluminium in their ionic States?
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Which is the best example of the use of imagery in a sentence?
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PLEASE HELP :)which type of reaction is shown in the diagrama. fusion, because the reaction released energy?b.fission, because the reaction absorbed energyc.fusion, because the reaction formed lighter nucleid.fission,because the reaction formed heavier nuclei
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C2H6O(g) + 3O2(g) 2CO2(g) + 3H2O(g) Inside the piston of an automobile engine, 0.461 g of ethanol (C2H6O) gas reacts with 0.640 grams of oxygen gas to produce carbon dioxide and water, according to the balanced equation shown above. What is the limiting reagent?
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A container contakns 5.310^12 particles of H2O how many moles is this
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Particles of the substance have the most kinetic energy when the substance is(a)_______. The part of the graph that represents where the substance has the least amount of potential energy is labeled(b)_______.multiple choice answers available.(a) 1. A gas2. A solid 3. Melting 4. vaporizing(b)1. Solid 2. Vaporizing 3. melting 4.liquid5.gas
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How many copper atoms are in a 70g copper
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Calculate the hyrdrogen ion concentration [h+] for the aquesous solution in which [oh-] is 1 x 10-2 mol/l.Is the solution acidic,basic,or neutral? Show your work
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What is frequency and what unit is it measured in?
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Gas LawsAssignment ActiveApplying Gas Laws to Aerosol Can D(Explain why it is not a good idea to throw anaerosol can into a fire. Which gas law applies?DONE
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PLEASE HELP ME ASAP WITH THIS QUESTION!Which factors describe a Mediterranean climate? Check all that apply.has very few treesis found in inland areashas cool and rainy wintershas little to no precipitationhas dense shrubs and grasses
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You take a very hot block of metal on top of a cold block of metal. What willhappen to the temperature of both blocks over time?
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En la reaccin I2(g) + Br2(g) 2 IBr(g), Keq = 280 a 150C. Suponga que se permite que 0.500 mol de IBr en un matraz de 1.00 L alcancen el equilibrio a 150C. Cules son las presiones parciales de equilibrio de IBr, I2 y Br2?
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measure the mass of a truckful of grain, use:kiloliterskilometersgramstonsHelp
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Which statements correctly describe the rock cycle? Check all that apply.Rocks are preserved through the process.Rocks change from one type to another.Different rock groups are interrelated.Rocks change from one type to another in a specific order.Environmental conditions influence a change in rock type.
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The universe displays _____. A) only visible colorsB) the full spectrum of light C) only red and green lightD) none of the above
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HELP PLZZZ !!!!!!!!!!!!
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Which sulfur is a gas that reacts with liquid water to produce aqueous sulfuric acid, or acid rain. What is the equation for this reaction
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What conclusion can you draw from the heating curve?
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calculate the density of a solid that has a volume of 2cm3 and a mass of 3g
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What mass of sulfuric acid (H2SO4) is contained in 50.00 mL of a 5.85 M solution? grams
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A city is concerned about global warming and smog. It wants to reduce the impact of its use of fossil fuels. Explain how the city could use technology to reduce fossil-fuel use by changing (a) its transportation, (b) its buildings, and (c) services for city residents
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Zinc reacts with iodine in a synthesis reaction: Zn + I2 Znl2. What is the theoretical yield of Znl2, if 1.912 mol of zinc is used?
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Why did the Mt. Pinatubo eruption result in global temperatures dropping almost two degrees?
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