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Chemistry
College
Question 1Describe a procedure you could follow to determine the specific heat of a 45-g piece of metal.Instructions
Chemistry
College
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
Chemistry
High School
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
Chemistry
High School
Id appreciate any help
Chemistry
College
What is 0.738 104? Enter your answer in the box. _____
Chemistry
College
How many grams of Mn are there in 5.09 moles of Mn? grams
Chemistry
High School
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.
Chemistry
High School
the answer has to be 3 to 5 sentences for me to get full credit.
Chemistry
High School
In at least 4 complete sentences, describe the similarities and differences between Avogadro's Law and Charles' Law.
Chemistry
High School
do weight loss Subliminals work?
Chemistry
High School
How is a sound wave transmitted? Please help me I have a test.
Chemistry
High School
when copper wires are made, a copper rod is pulled into a narrower wire. Explain how metallic bonding allows this to happen
Chemistry
High School
where are human cells located (in living organisms)
Chemistry
College
All of the following are symptoms of someone having a dissociative disorder exceptA. memory lossB. increased energyC. distorted perceptionD. blurred sense of identity
Chemistry
College
You have 4.5 x 10^24 particles of C3H8. How many grams are present?
Chemistry
College
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
Chemistry
College
The question is in the photo
Chemistry
College
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?
Chemistry
High School
how humans can improve the negative aspects of soil use FULL SENTENCES 50 POINTS PLEASE HELP
Chemistry
High School
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?
Chemistry
High School
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
Chemistry
College
why is nitrogen used for storage of semen in artificial insemination
Chemistry
College
Comprehension Questions:1. Changing locationchange anobject's mass. (does/does not)OdoesO does not
Chemistry
College
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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