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Chemistry
Chemistry
College
describe which process in the water cycle the water in each picture will go through next will go through next.
Chemistry
High School
How much heat is needed to warm 250g of water from 22 to 98?
Chemistry
College
Counting Atoms in Compound 8cl2o
Chemistry
High School
The solubility of potassium sulfate in water is 16 grams per 100milliliter at 50 degrees centigrade. The smallest amount of waterwhich will dissolve 4 grams of this substance at the same temperaturewill be
Chemistry
Middle School
What vocabulary word describes this "section" of rock layers
Chemistry
High School
Describe a time in the group discussion when someone cited evidence from their research to make a point.
Chemistry
High School
Hi hello I need help ASAP Determine the slope of this line a.2.5b.0.75c.1d.0.4
Chemistry
College
Increased concentrations of greenhouse gases will lead to HIGHER global temperatures.TrueorFalse
Chemistry
High School
How did chemists make their proposed model of the sub atomic particles?
Chemistry
High School
What are the coefficients needed to balancethe following chemical equation?--- N2 + --- F2 ---> --- NF3
Chemistry
High School
Calculate the force applied (in newtons) if a pressure of 6000Pa is acting on an area of 15m?
Chemistry
High School
Help! Please and thank you
Chemistry
College
What would be the mass in amu of 150 atoms of carbon?
Chemistry
College
The type of potential energy related to an object's height
Chemistry
High School
How many energy levels contain electrons in an atom of zirconium (Zr)?
Chemistry
College
is clorox an acid or base?
Chemistry
High School
1. What is WRONG with the setup used by the student to solve thisproblem?10 pointsIf 53.8 grams of Aluminum Carbide is treated with Sodium Oxide, how many moles of Aluminum Oxide isproduced?AlqC3 +6 Na2O + 2 Al2O3 + 3 Nand53.8 g ALC1 mole ALC2 mole Al2O3101.96g Al2O3143.92 g AL C31 mole ALC1 mole Al2O3The student used the wrong mole ratio.O The student is solving for the wrong unit. The student used incorrect steps.The student's setup is correct.INITI
Chemistry
High School
Finally, what mass of Na2HPO4 is required? Again, assume a 1.00 L volume buffer solution. Target pH = 7.49 Acid/Base pair: NaH2PO4 Na2HPO4 PK = 7.21 [Na2HPO4] > [NaH2PO4] (NaH2PO4) = 0.100 M 12.0 g NaH2PO4 required [base] [acid] = 1.91 [Na2HPO4) = 0.191 M. There is 1.00 L of solution. Use the molar mass of the base (141.95 g/mol)to find the mass required. Cubmit Answer Try Another Version 3 item attempts remainingHelp Would Be Much Obliged!
Chemistry
College
PLZZZZ HELPP NOWW!!According to the law of conservation of mass, what is the mass of waterformed in this reaction?H2+0232.00 g2H20?2.02 gA. 36.04 gramsB. 55.92 gramsC. 72.08 gramsD. 27.96 grams
Chemistry
Middle School
I need some help with this oddly specific science question Why are sea breezes felt during the day and land breezes at night? A. The land and the air above it heats and cools slower than the water, causing a land breeze at night and a sea breeze during the day. B. The land and the air above it heats and cools faster than the water, causing a land breeze at night and a sea breeze during the day. C. High tides cool off the beach, causing a land breeze at night and a sea breeze during the day. D. High tides cool off the beach, causing a sea breeze at night and a land breeze during the day.
Chemistry
College
Please answer by the number ! I will mark any correct answer brainliest :)
Chemistry
High School
If a metal that had reacted veryslowly with dilute acid wastested with a concentratedone, what would you predictwould happen?
Chemistry
College
What is the name or symbol of the element in group 17 andperiod 3 of the periodic table?
Chemistry
College
Balanced or Unbalanced? Write a B for Balanced and a U for Unbalanced. ______ 11.CH4 + O2 CO2 + 2 H2O ______ 12. NaBr + CaF2 NaF + CaBr2 ______ 13. 4 Fe + 3 O2 2 Fe2 O3
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