03/10/20

What is the molarity of a solution that contains 289 g of sugar in a 2 L solution?
The molar mass of sucrose being 342.2965 and please show work done.
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03/10/20

Complete and balance the following neutralization reaction, and estimate the likely pH of the neutralization point. Ca(OH)2 + HNO3 →
Please help me find the answer. please show work thank you so much.
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03/10/20

Finding an indefinite integral
∫ (x+5)/√(9-(x-3)^2) dxI know I need to split the numerator into (x-3) +8, but after that I get stuck.
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03/10/20

my english class
can someone write a short story with these words;biology,audio,biome,antibiotic,biohazard,audience,bionic,audit,biodegradable,audiovisual
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03/10/20

A sample of an ideal gas has a volume of 2.39 L at 288 K and 1.13 atm. Calculate the pressure when the volume is 1.32 L and the temperature is 303 K.
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03/10/20

A balloon filled with helium has a volume of 12.5 L at 297 K. What volume will the balloon occupy at 265 K?
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03/10/20

chem homework please help
A certain mass of nitrogen gas occupies a volume of 3.62 L at a pressure of 7.74 atm. At what pressure will the volume of this sample be 6.00 L? Assume constant temperature and ideal... more
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03/10/20

write a story with given words
please help me write a story that including these words, it can be any type of... more
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03/10/20

“Here’s the smell of the blood still. All the perfumes of Arabia will not sweeten this little hand. Oh, oh, oh!”
In her sleepwalking, Lady Macbeth alludes to past events. List the events to which she refers in each of the following selections.  
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03/09/20

Determine the volume in mL of 0.57 M HNO3(aq) needed to reach the half-equivalence
Determine the volume in mL of 0.57 M HNO3(aq) needed to reach the half-equivalence (stoichiometric) point in the titration of 37.9 mL of 0.5 M CH3NH2(aq)(aq). The Kb of methylamine is 3.6 x... more
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03/08/20

Calculate the pH
Calculate the pH during the titration of 30.00 mL of 0.1000 M morphine with 0.1000 M HCl(aq) after 18 mL of the acid have been added. Kb of morphine = 1.6 x 10-6.Answer is 8.03
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03/08/20

Quiz question please help

According to the angle-addition postulate, m< ABD + m< DBC = m< ABC. True or false
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03/07/20

Use a calculator to find sin ^-1 (0.3536) in radians and degrees
sin^-1(-0.3536) round the answer to 4 decimal places as needed.
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03/07/20

write down the inequality described six more than the value of x is at least seven
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03/06/20

5x-y=7 3x+2y=12
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03/06/20

how many grams of potassium nitrate should be used to prepare 2.00 L of a 0.500 m solution of potassium nitrate
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03/06/20

what is the molarity of a solution of 10.00 g of AgNO3 dissolved in 500. mL of solution?
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03/06/20

what is the molarity of a solution in which 48.00 g of NaCl are dissolved in 1.00L of solution?
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02/21/20

HELP PLS HELP ME
text What’s that in the sky? Is it a bird? Is it a plane? No, it’s a firework! Fireworks capture the attention of crowds around the world, but how do they work? First, the firework is stuffed into... more
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05/28/19

find how many kilograms
you fill a rigid steel container that has a volume of 20 L with nitrogen gas to a final pressure of 2 x 10^4 kpa at 23 Celsius. how many kilorams of n2 does this cylinder contain?
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05/28/19

in a neutralization reaction 45.7 mL of 0.500 M sulfuric acid is required to completely react with 20.0 mL of sodium hydroxide. determine the molarity of the sodium hydroxide solution
B) What is the molarity of a potassium hydroxide solution if 48.0 mL is needed to neutralize 35.0 mL of sulfuric acid?
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05/18/19

What is the height of the flagpole?
person is trying to find the height of a flagpole or AB. This person is 1.5 m tall and is standing at DC. A mirror is placed at point M. This mirror is 6 m away from the person and 120 m away from... more
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05/13/19

Calculate [H3O+] for solution

Calculate [H3O+] for solution of pH= 4.778
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04/02/19

According to Appiah, how can we achieve cosmopolitanism in our culture?
According to Appiah, how can we achieve cosmopolitanism in our culture?
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01/09/19

Calculate the theoretical yield
Calculate the theoretical yield of calcium chloride expected for this reaction if .80 mol of calcium hydroxide is reacted with excess hydrochloric acid.Equation: Ca(OH)2+ 2HCl --> CaCl2 + 2H2O
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