12/11/17
A Zn wire and Ag/AgCl reference electrode (E° = 0.197 V) are placed into a solution of ZnSO4.
A Zn wire and Ag/AgCl reference electrode (E° = 0.197 V) are placed into a solution of ZnSO4. The Zn wire is attached to the positive terminal and the Ag/AgCl electrode is attached to the negative...
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09/28/17
Kayla moved a full shopping bag using the force of 25 Newtons over a distance of 10 meters. How much energy did Kayla use to move the bag
Kayla moved something 25 Newtons over a distance of 10 meters how much energy did she use.
IDK what she did I need help
05/17/17
need help working out a chemistry problem
What is the new mass/volume (m/v)% of a KOH solution that is prepared by diluting 110 mL of a 6% (m/v) KOH solution to 330 mL?
A) 2% B) 1% C) 6% D) 12% E) 18%
05/17/17
need help working out this problem
What is the mass of neon that exerts a pressure of 720. mmHg,with a temperature of -15.0 °C , when the volume of the container is 760. mL?
A) 0.0340 g B) 0.686 g C) 0.615 g D) 517 g E) 25.8 g
05/02/17
What is the maximum amount of grams of copper II nitrate that can be produced if 23.4 grams of copper metal reacts with 31.5g of silver nitrate
use the formula
Cu(s)+2Ag(NO3)➡️ Cu(NO3)3+2Ag(s)
Solve for the correct number of moles (Show Work Please)
Equation: 2AgNO3 + ZnCl2 = Zn(NO3)2 + AgCl
Given: .50 mol AgNO3 react
04/05/17
If the car goes 4 miles in 5 minutes how far will the car have gone in 30 minutes.
please answer the question ASAP
04/05/17
Name the organic families present in the antibiotic amoxicillin. (Select all that apply.)
Amine Sulfide Carboxylic Acid Amide Ether Ester Ketone Aldehyde Disulfide Phenol
04/05/17
Which pairs of molecules can form a hydrogen bond with one another? (Select all that apply.)
A.)CH3CH2SH and CH3CH2SH B.)CH3OCH3 and CH3OCH3 C.)CH3OH and CH3OH D.)CH2=CHCH3 and CH2=CHCH3
solubility rules
use solubility rules to predict whether or not a precipitation reaction will occur when the following aqueous solutions are mixed. write the molecular and the net ionic equation for each reaction...
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03/22/17
If 13.3 g of CaCl2 are present in 150 mL of aqueous solution, what is the concentration in terms of the following?
a. molarity
b. weight/volume percent
c. parts per thousand
d. parts per million
e. parts per billion
03/15/17
Please help me answering the question in the description box
A student collects 450. mL of HCl gas at a pressure of 101 kPa and a temperature of 17ºC. What would the volume of the gas be if the temperature was increased to 25ºC and the pressure was increased...
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