Chemistry

Question 1Describe a procedure you could follow to determine the specific heat of a 45-g piece of metal.Instructions
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45. Which electron configuration represents anatom in the excited state?(1) 1s2 2s2 2p6 3s2(2) 1s2 2s2 2p6 3s1(3) 1s2 2s2 2p6 (4) 1s2 2s2 2p5 3s2(4) 1s 2s2p5352
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1. The largest particles that a stream deposits as it enters a pond are 8 centimeters in diameter. Theminimum velocity of the stream is approximately1) 100 cm/sec 2) 200 cm/sec 3) 300 cm/sec 4) 400 cm/sec
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Id appreciate any help
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What is 0.738 104? Enter your answer in the box. _____
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How many grams of Mn are there in 5.09 moles of Mn? grams
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Which of the following accurately describes the orbital path of most planets in our solar system?The orbital path is in a perfect circle.The orbital path looks circular.The orbital path is in a large elliptical shape.The orbital path varies greatly from planet to planet.
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the answer has to be 3 to 5 sentences for me to get full credit.
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In at least 4 complete sentences, describe the similarities and differences between Avogadro's Law and Charles' Law.
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do weight loss Subliminals work?
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How is a sound wave transmitted? Please help me I have a test.
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when copper wires are made, a copper rod is pulled into a narrower wire. Explain how metallic bonding allows this to happen
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where are human cells located (in living organisms)
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All of the following are symptoms of someone having a dissociative disorder exceptA. memory lossB. increased energyC. distorted perceptionD. blurred sense of identity
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You have 4.5 x 10^24 particles of C3H8. How many grams are present?
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What is the hybridization of the central atom in CO2? Hybridization = What are the approximate bond angles in this substance? Bond angles = fill in the blank 2
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The question is in the photo
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Americium-241 undergoes radioactive decay to produce neptunium-237. Which particle needs to be added to this equation to show that the total numbers of neutrons and protons are not changed by the reaction?
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how humans can improve the negative aspects of soil use FULL SENTENCES 50 POINTS PLEASE HELP
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56.8 grams of glucose is dissolved in acetic acid. The boiling point of the acetic acid raises to 126.6C. What is the molal concentration of the solution?
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A 1.2 M solution of a weak base B is prepared. Using a pH meter, the pH is measured to be 11.82. Calculate the base ionization constant
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why is nitrogen used for storage of semen in artificial insemination
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Comprehension Questions:1. Changing locationchange anobject's mass. (does/does not)OdoesO does not
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How many moles of aluminum oxide will be produced from 0.50 mol of oxygen?4 Al + 3 O2 2 Al2O3
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