Chemistry

need help on this im super lost
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What are three examples of acid-base reactions in cooking
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Describe the different types of storms.
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Which of the following 0.5 M aqueous salt solutions will have a pH of 7.0 at LiF RbBr NaClO4 NH4Cl A) LiF only B) NaClO4 only C) LiF and RbBr D) RbBr and NaClO4
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What is the correct IUPAC name for AgS?
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What does moving slow mean to a geologist?
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How many senses does the human body have?O A. 3B. 5
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An organism that has 2 dominant alleles is called... *homozygous recessivehomozygous dominantheterozygous recessiveheterozygous dominantHELP
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The change in entropy, Srxn , is related to the the change in the number of moles of gas molecules, ngas . Determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change. A. 2H2(g)+O2(g) 2H2O(l) ngas= mol The entropy, Srxn , increases. decreases. has little or no change.
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4. A taxi ride costs $5 plus .75 cents per mile. If Iride for 120 miles, how much will be charged?
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Which of these Electromagnetic waves has the most kinetic energy and can bedangerous?O radio wavesO gamma raysO ultraviolet wavesO visible light
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The rate of the reaction is ?
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What mass of chromium would be produced from the reaction of 57.0 g of potassium with 199 g of chromium(II) bromide according to the following reaction? 2 K + CrBr2 2 KBr + Cr
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What pH does an acid have?
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identify as the following as an element or a compound. its not multiple choice a) NaCI b) AR d) 02 c) CH4 d) 02 e) CI
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B. If the sand you ran across has a specific-heat capacity of 835 J/(kgc),how much energy must be added to a 2-kilogram pile of it to increase itstemperature from 40C to 50C? Show your work. (3 points)
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1. Which gas will move faster through a small opening hydrogen or oxygen? *A)hydrogenB) oxygen
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If the percent (mass/mass) for a solute is 16% and the mass of the solution is 400 g,What is the mass of solute in solution
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. Which type of rock would be affected the most by thewater cycle?
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Need help with these three pls!!!!!
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how does atomic spectrum differ from continuous spectrum
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Choose the correct word to make anappropriate hypothesis for this example.Ifis added to water, then theboiling point of water increases becausesolutions haveboiling points than pure liquids ifpressure remains unchanged.
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Which of the following statements about an S N1 reaction mechanism is true? The reaction involves two steps and occurs fastest with tertiary alkyl halides. The reaction involves one step and occurs fastest with tertiary alkyl halides. The reaction involves one step and occurs fastest with primary alkyl halides. The reaction involves two steps and occurs fastest with primary alkyl halides.
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Help plz: and thx (::
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