07/05/18
10ml of co is mixed with 25ml air having 20% o2 by vol. Find final vol if none of co and o2 is left after reaction?
Eudiometry
Physical chemistry
Follows
•
2
Expert Answers
•1
![]()
07/05/18
A stock solution NaCL solution is 20%. From it prepare 15 mL of 0.9% saline solution. How much of the stock solution do you need? How much water do you ne
Determine the volume of stock solution needed and the volume of diluent
Follows
•
3
Expert Answers
•2
![]()
![]()
07/05/18
at certain temperatures two volumes of a combines with 5 vol of b to produce 2 vol of c.if atomicity of a and b is 2,the formula of compound c is ans isA2B5
chemistry
Follows
•
2
Expert Answers
•1
![]()
07/04/18
med in 50 ml of iv sol. Infusing @ 30 gtt/min. Drop factor 20 gtt/ml. What is the infusion time
IV Flow rate assistance requested.
Follows
•
2
Expert Answers
•1
![]()
07/04/18
The burial cloth of an Egyptian mummy is estimated to contain 58% of the carbon-14 it contained originally. How long ago was the mummy buried? (The half-life of
how to solve this
Follows
•
2
Expert Answers
•1
![]()
07/04/18
Which of these organelles converts energy from food into a usable form: Mitochondria, Centrioles, Endoplasmic reticulum, or Chloroplasts?
This is for Biology
Follows
•
2
Expert Answers
•1
![]()
07/04/18
Question about ammonia and nitrogen for a small experiment
Hello! I am trying to set up a small experiment for my class but I am stuck on a problem. We have three saltwater tanks, with the following measurements: The first tank will have a pH of 7.5, an...
more
Follows
•
2
Expert Answers
•1
![]()
07/04/18
a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.
a sample of chalk contains clay as impurity.The clay impurity losses 11% of its weight as moisture on prolong heating.5g sample of chalk on heating shows a loss in weight (due to evolution of co2...
more
Follows
•
2
Expert Answers
•1
![]()
07/03/18
if the proton were 10 cm in diameter. . . the size of an orange, how big would everything be?
actual size of a proton is 10 to the -15 m
Follows
•
2
Expert Answers
•1
![]()
07/03/18
the size of the atom is due to the?
what in the atom creates the size of it
Follows
•
2
Expert Answers
•1
![]()
07/03/18
what can i say for the conclusion armspan vs height with the 0.98 positive correlation coefficient
I need help with this question
Follows
•
2
Expert Answers
•1
![]()
07/02/18
Physical Science Math
Using Boyle's law, predict what will happen to a balloon that an ocean diver makes to a pressure of 202 kPa.
Follows
•
2
Expert Answers
•1
![]()
07/02/18
Calculate the Molarity
Calculate the Molarity of sucrose in mole/l.
If 10g of sucrose is dissolved in enough water to make 500 volume of 500ml
Follows
•
2
Expert Answers
•1
![]()
06/28/18
Gas Laws Math
A balloon is heated and expands to 500ml when it is heated to 490K. If the original temperature of the balloon was 300K, what was the original volume?
Follows
•
3
Expert Answers
•1
![]()
06/28/18
Gas Laws Math
A pressure cooker is used to heat up food quickly. If the air in a pressure cooker is initially at 450K under a pressure of 100kPa, what will the pressure be when the temperature is increased to 600K?
more
Follows
•
3
Expert Answers
•1
![]()
06/27/18
Biology Help
I was reading an article and came across "Chondroitinase." I didn't know what this was, so I googled it, and apparently, it can mean one of three things: N-acetylgalactosamine-6-sulfatase,...
more
Follows
•
2
Expert Answers
•1
![]()
06/26/18
100 ml of hydrogen + 50 ml of oxygen = 100ml of water.....is this not voilating law of conservation of mass??
Is the above question does voilate law of conservation of mass
Follows
•
2
Expert Answers
•1
![]()
06/26/18
when a solid iron bar is heated it no longer fits in the holder
when a solid iron bar is heated it no longer fits in the holder using the theory state why does this happen
Follows
•
2
Expert Answers
•1
![]()
06/26/18
A sample of gas weighs 2.12 g and occupies a volume of 1,150 mL at 22.1 ˚C and 737 mm Hg. What is the molar mass of the gas?
i do not know how to get this answer
Follows
•
2
Expert Answers
•1
![]()
06/25/18
what is the concentration of NaCl in a solution, if titration of ...
what is the concentration of NaCl in a solution, if titration of 15.00mL of the solution with 0.257 M AgNO3 needs 20.22 mL of the AgNO3 solution to reach the end point?
Follows
•
2
Expert Answers
•1
![]()
06/25/18
You are given a drug that is at a concentration of 50mg/mL and asked to dilute it by a factor of 10 with sterile water
You are given a drug that is at a concentration of 50mg/mL and asked to dilute it by a factor of 10 with sterile water. How many mLs of drug and how many mLs of sterile water will you need and what...
more
Follows
•
2
Expert Answers
•1
![]()
06/24/18
diffusion and molecular weight
I had to do an experiment for biology class. I had to put a drop of red dye on a Petri dish that had corn syrup spread on it and then I had to do the same with just blue dye. I had to determine...
more
Follows
•
2
Expert Answers
•1
![]()
06/24/18
sterling silver contains 95%,if a necklace made of sterling silver weighs 50g,what is the mass silver dissolved in the necklace
about sterling silver
Follows
•
2
Expert Answers
•1
![]()
06/24/18
What is the percentage concentration is the following sulotion 2g sucrosein 80 grams water?
about sucrose
Follows
•
2
Expert Answers
•1
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.