09/25/18
Solution for this Half life's Question
The half-life for the decomposition of hydrogen peroxide, H2O2, at 25^0C is 990 s.
a. Determine the first order rate constant.
b. A solution of H2O2 is initially 0.155 M. Determine the...
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09/25/18
Solution for this half life question
The reaction: I2(g)----> 2I (g) is first order with a rate constant of 16.3 min-1at 625 K. If the initial concentration of I2 is 0.086 M, determine the concentration of I2 that remains after 12 s.
09/25/18
Maximum number of electrons in n=5, l=4
What is the maximum number of electrons?
n = 5, l = 4
Please explain
09/25/18
If 0.100 g of a compound containing C, H, and O is combusted completed in an excess of oxygen and 0.281 g of CO2 and 0.0574 g of H2O are obtained, what is the e
If 0.100 g of a compound containing C, H, and O is combusted completed in an excess of oxygen and 0.281 g of CO2 and 0.0574 g of H2O are obtained, what is the empirical formula of the compound?In...
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09/25/18
AP Chemistry Reaction HW Problem
I was given the equation: Ca(OH)2 + H3PO4 --> H2O + Ca3(PO)4, which I balanced to:3 Ca(OH)2 + 2 H3PO4 --> 6 H2O + Ca3(PO)4I am supposed to finda) How many grams of calcium phosphate are...
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09/25/18
A truck travels 0.72 km on 0.01 litre of fuel. How many km will it travel on 1 litre of fuel
I have a problem in this question so please help meh
09/25/18
Double the product of 9 and t
Answer to this problem I am very bad at word problems and I just want to know if this app could help me get the answers and show me how to do it.
09/24/18
the product of a number and 3 is twice the sum of that number and 5. what is the number
Trying to solve this word problem
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09/24/18
Calculate the percent error
Calcuate the percent error of 10.98 g/cm3 and accepted value of 11.35 g/cm3
09/24/18
The highest score on an Algebra test was was 42 points more than the lowest. When added together, the lowest and highest score was 154. Find the high and low sc
The highest score on an Algebra test was 42 points more than the lowest. When added together, the lowest and highest score was 154. Find both the highest and lowest score.
09/23/18
Cheryl was able to drive 360 miles on 15 gallons of gasoline. At that rate, how many gallons will Cheryl use to drive 120 miles?
I need help answering this question.
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09/23/18
John sales used cars at a dealership.
John sales used cars at a dealership. He recently reduced the price of a car by 15%. If the original price of the car was 4500$ how much does car cost after the discount?
09/23/18
Sam’s age is 36, which is 12 less than 6 times Minnie’s age. How old is Minnie?
Sam’s age is 36, which is 12 less than 6 times Minnie’s age.
How do i do this ?
I have this question in my math homework telling me that i have to write the equation of a couple of pictures in black and white are 7 less than than the triple of the coloured pictures. I really...
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09/23/18
charlotte is running at a rate of 9 km/h. what is charoltte speeding m/8
I do not understand how they got 5/2. I get 2/5.
09/22/18
The perimeter of a rectangle is 104m.the length is 7m more than twice the width.What are the dimensions of the rectangle?
Perimeter
09/21/18
The sum of the ages of three sisters is 64.
The sum of the ages of three sisters is 64. The age of the oldest is twice the age of the youngest. The ages of the two older sisters is a difference of six years. what is the age of the younges...
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09/20/18
Greg has twice as much money as Mike. Together they have $72. How much money does Greg have?
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09/20/18
How long will it take you to drive 120 miles at a speed of 15 miles per hour
i dont now how to do these problems
09/20/18
The trailer cost one-fourth as much as the boat. The total coast of both was $4,000. How much did each cost?
Explain how to aboid using fractions in sttingup the problem, and then work it.
09/20/18
If 24 square feet of fabric weighs 50 ounces, what is the weight of a rectangular piece hat is 12 feet long and 8 feet wide
I need a full explaining of how to do this problem, thanks!
09/20/18
how many hours can katie rent this bike?
ben's bicycle rental charges a $14 rental fee plus $7 per hour for renting a bike.katie wants to rent a bike for a day but she can spend no more than $70 per day how many hours can katie rent a...
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