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Chemistry
Chemistry
College
what is the continent bellow the world?
Chemistry
College
Which of the following are used to administer liquid medications orally? O a) Syringes b) Vials c) Suppositories d) Droppers e) Teaspoons
Chemistry
High School
Which statement correctly defines dynamic equilibrium?At dynamic equilibrium, the rates of forward and reverse reactions are equal.At dynamic equilibrium, the rate of the forward reaction is higher than the rate of the reverse reaction.At dynamic equilibrium, the forward and reverse reactions stop.At dynamic equilibrium, the concentrations of reactants and products are equal.
Chemistry
College
Below the time line, list the layers from oldest to youngest
Chemistry
High School
Use the pictures below to answer these questions: How does Magnesium become an ion? What is the charge of the Magnesium ion?
Chemistry
High School
Arrange the gases from most dense to least dense at a given temperature and pressure.Most denseLeast denseAnswer BankArNeCO2HC12
Chemistry
High School
Identify the correct chemical name. Select one: a. calcium (II) hydroxideb. chromium hydroxide c. ammonium calcide d. ammonium chloride
Chemistry
Middle School
ASAP i need a picture of Pangaea
Chemistry
College
Elements with ________ atomic mass are best possible candidates for a fusion reaction. very low moderate to heavy moderate very heavy
Chemistry
College
What is the molarity of aqueous lithium bromide if 25.0 mL of LiBr reacts with 10.0 mL of 0.250 M Pb(NO 3) 2
Chemistry
High School
7. Describe the difference between a genetically modified organism (GMO) and an unmodified organism.
Chemistry
High School
Zn + Fe2O3 --> Fe + ZnO If excess Zn reacts with 1.34g Fe2O3 in the reaction above, how many grams of Fe would you expect to be produced
Chemistry
High School
using the two ways you have learned about between temperature, pressure and volume, what are two ways you could increase the gas pressure of a system.
Chemistry
College
For an imaginary closed economy, T = $5,000; S = $11,000; C = $48,000; and the government is running a budget surplus of $1,000. Then
Chemistry
High School
How did you use the tools in the sim that helped you decide if the atom had a positive, negative, or 0 charge?
Chemistry
High School
Please Help! (Will mark brainliest)How many chlorine atoms are in 4 moles of chlorine?A sample of acetaminophen has 100,000 molecules in it.
Chemistry
High School
What is one way humans can control landfills?(25 Points)They can throw away less garbage.They can throw away more garbage.They can pollute the land.None of the above.
Chemistry
High School
Who turned the ragged Continental Army into a more efficient fighting force?
Chemistry
High School
.The 1" row of the periodic table has which two elements?
Chemistry
College
A Carnot engine takes 2000 j of heat from a reservoir at 500 k, does some work and discards some heat to a reservoir at 350k . how much work does it do, how much heat is discarded, and what is it's efficiency?
Chemistry
High School
Circle the compound below that does not contain an alkaline earth metal.Ca(OH)2, Sro, Mg3N2, NaOH, MgCl2, Bas
Chemistry
High School
1. What is the Speed equation?a. S= D/Tc. A= Fv-lv/Tb. A= lv - FITd. S= T/D
Chemistry
College
2CH3CHO+O2=> 2CH3COOH
Chemistry
High School
NO LINKS!!!Static electricity is a ____ charge.A. permanentB. missingC. flowingD. temporary
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