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Chemistry
Chemistry
High School
Help me pretty please
Chemistry
High School
Which of the follow can NOT be possibleerror that occurs during a lab experiment?human errorpure reactants were usedthingO unexpected products were producedthe reaction didn't go to completion
Chemistry
High School
I need help in this :(
Chemistry
High School
Now describe the properties of the compound you picked(gold). Compare the properties of the compound with the properties of the elements that comprise it. How do you explain the difference?
Chemistry
High School
convert 5.91 x 10^26 molecules h20 to moles
Chemistry
College
HELPPPP PLZZZZOur world is like a web made up of many strands, all connected together. Break one connection, and the whole web may change.What might the author be trying to communicate about biodiversity in these sentences
Chemistry
College
report speech in grammar
Chemistry
College
Chemistry, 50 points!!! Will also mark brainliest if you answer everything
Chemistry
High School
What is the volume, in L, of 2.50 moles of oxygen gas measured at 25.0oC and a pressure of 104.5 kPa?
Chemistry
High School
what is the difference between quantative and qualitative analysis
Chemistry
College
The atmospheric pressure at 1000 m altitude is 0.868 atm.What is this pressure in Pascals?Pa
Chemistry
College
According the article , why is it difficult for many cities in the U.S today to recycle
Chemistry
High School
Arrange the following compounds in order of DECREASING boiling points (going from the highest to the lowest):n-butanen-octane2,2,3,3-tetramethyl-butane2-butene
Chemistry
High School
At equilibrium A. All reactions have ceased B. Only the forward reaction continues C. Only the reverse reaction continues D. Both the forward and reverse reactions continues
Chemistry
High School
Why is the decay cycle important to ecosystems?The decay cycle creates new matter replacing dead organisms.The decay cycle decomposes dead organisms and creates fertile soil.The decay cycle provides a food source for large animals.The decay cycle brings in more water for plant in an ecosystem.
Chemistry
College
Which of the following will dissolve the fastest
Chemistry
High School
HELP PLEASE ASAP!!!!! the cell is undergoing a step of meiosis I. what step is the cell in? a. the beginning of prophase Ib. the middle of metaphase Ic. the end of anaphase I d. the middle of telophase I
Chemistry
High School
How is energy from grass passed on between animals
Chemistry
College
Which of the following is the best explanation of why an ionic compound formula is a ratio of atomsThe sharing of electrons is always in a simple ratioThe number of atoms in an ionic compound change... there can be several possible combinationsWhen ions form they are attracted to each other and "cxmp" together to form a crystallonic compounds conduct electricity when dissolved in water.
Chemistry
High School
if 5 L of butane is reacted what volume of carbon dioxide is produced ILL GIVE BRAINLIEST
Chemistry
College
Nitrogen monoxide and hydrogen react to form nitrogen and water, like this: 2NO(g) 2H2(g) N2(g) 2H2O(g)Also, a chemist finds that at a certain temperature the equilibrium mixture of nitrogen monoxide, hydrogen, nitrogen, and water has the following composition:compoundpressure at equilibriumCalculate the value of the equilibrium constant Kp for this reaction. Round your answer to significant digits.
Chemistry
High School
Which of the answers does not represent a common type of air pollution? A) agricultural ammonia B) carbon monoxide exhaust C) sulfur oxide D) synthetic organic compounds E) industrial nitrogen oxide
Chemistry
High School
Calculate the ratio of the velocity of molecular oxygen to the velocity of atomic argon at the same temperature.I asked this before but still need helpNo links, I'm not d*mb
Chemistry
High School
how many moles are in 2.71 molecules of carbon dioxide (CO2)
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