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Gur K. has helped students
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Summary of contribution activity by day
Gur K.
Gur K. joined Socratic 2 weeks ago. Gur K. hasn't written a biography yet.
Activity
20 Asked
@gur-k
Gur K.
asked the question
The rate constant, k, of a certain reaction can be determined using the following formula,k=Cx^2Cy^3/Cz^2Cw^5 where w, x, y and z are the concentrations of four different chemicals. Find Cy?
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an hour ago
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@gur-k
Gur K.
asked the question
A technician can assemble an instrument in 7.8 h. After working for 3 h, she is joined by another technician who can do the job himself in 7 hours. How many additional hours are required to finish the job?
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yesterday
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@gur-k
Gur K.
asked the question
A certain concrete mixture contains 5.00% cement and 7.00% sand. How many kilograms of this mixture and how many kilograms of sand should be combined with 295 kg of cement to make a batch that is 12.0% cement and 14.0% sand? Carry out all calculations.
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6 days ago
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@gur-k
Gur K.
asked the question
A farmer bought 100 ha of land, part at $1850 per hectare and part at $2250 paying for the whole $215000. How much land was there in each part? Do not round intermediate results. Round only final answers. Round to the whole. ha at $1850/ha ha at
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1 week ago
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@gur-k
Gur K.
asked the question
If the larger of two numbers is divided by the smaller, the quotient is 7 and the remainder is 6. But if 3 times the greater is divided by twice the smaller, the quotient is 11 and the remainder is 6. What are the numbers?
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1 week ago
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@gur-k
Gur K.
asked the question
A chemist was supposed to mix 3 different acid solutions: 23% acid, 31% acid and 75% to make 6.10 x 102 L with a final composition of 34% acid. However, the volumes of the 23% acid and 75% acid were accidentally switched with each other resulting in 6.10?
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1 week ago
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@gur-k
Gur K.
asked the question
How high is the projectile at 0.26 s to 1 decimal?
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1 week ago
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@gur-k
Gur K.
asked the question
Two concrete mixtures, one with 7% sand and the other pure sand are to be mixed to create 10 kg of 27% sand mixture. Calculate the number of kg of pure sand used? Report your answer to 1 decimal place.
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1 week ago
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@gur-k
Gur K.
commented
thank you so much
on
) Explain the purpose of washing the sand with hot water. Why was it important to wash the sand with hot water? How would the experimental results be affected by washing the sand with cold water instead of hot water?
1 week ago
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@gur-k
Gur K.
commented
Thanks
on
) Explain two sources of error that may occur during the filtration process. For each source of error, explain how this error would affect the values of the mass % for each component. (Would the mass % be larger or smaller than the correct value?
1 week ago
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