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Questions (26)

what extent can goals and behaviors change as a result of learning?
1. 2 answers
2. 694 views
You want to know the number of students in your school that have a January birthday. You survey the students in your math class.
1. 1 answer
2. 1,173 views
Which sample is better for making a prediction? Why?Sample A: A random sample of 10 customers leaving a store Sample B: A random
1. 1 answer
2. 1,075 views
Jet blue states the average air fare from Toronto to LA is $1455 with a SD of $123.56. What is the 99% confidence interval with
1. 1 answer
2. 480 views
The average number of applications of one gallon of car wax is 450; with a stdev of 23.9; if the bottom 5.2% of the wax
1. 0 answers
2. 535 views
You are to use an array of doubles to compute the average of a sequence of numbers and the standard deviation of the numbers.
1. 1 answer
2. 538 views
WORD PROBLEM:Tims tet grades in french were: 86,96,88,91 what score must Tim make on his next test to average 92? a 89 b 93 c 97
1. 0 answers
2. 501 views
You have just purchased a new warehouse. To finance the purchase, you've arranged for a 30-year mortgage loan for 80 percent of
1. 3 answers
2. 973 views
A 15.0 ml sample of unknown HCL04 solution requires titration with 25.3 ml of 1.200 M NaOH to reach equivalence point. what is
1. 1 answer
2. 607 views
a solution containing 30 g of nh3 in 70 g of water has a density of 0.882 g/ml. what is the molarity and molality
1. 4 answers
2. 607 views
What steps do I take in order to solve :(101-100) = .512 times (x/.5) solve for x and show steps
1. 1 answer
2. 492 views
What steps do I take in order to solve :(101-100) = .512 x (x/.5)
1. 1 answer
2. 571 views
A mixture of n2 and o2 contains 2.7 grams of O2 and occupies 3.1 L at 28 degrees Celsius, 810 mmHg. how many grams of N2 are
1. 2 answers
2. 380 views
a cyinder with a volume of 5.37 liters contains N2 at a pressure of 2.82 atm at 26 celcius. how many grams Ne must be added to
1. 1 answer
2. 487 views
a 3 liter flask at 25 C is filled with a mixture of N2 AND O2 to a total pressure of 8 atm, there were 10 grams of N2. How many
1. 1 answer
2. 478 views
a mixture of n2 and O2 contains 2.7 g of O2 and occupies 3.1 L at 28 degrees celcius, 810 mm Hg. how many grams on N2 are there
1. 2 answers
2. 541 views
How much heat is released in the formation of 10 liters of NH3(g) at 25 C and 1 atm, given :2N2+3H2 ----> 2 NH3 HEAT OF FUSION
1. 1 answer
2. 439 views
Arrange the following in order of increasing atomic radius : Co, Mo, S, Ge, Cs
1. 1 answer
2. 603 views
What is the abbreviated electron configurations of :a) MO 4+ b) As 3- c) S 2- D) NI 2+
1. 2 answers
2. 686 views
A titration was performed in which 56 ml of a .022M HCL solution was used to titrate 50 ml of a PB(NO3)2 solutiona) what was
1. 2 answers
2. 615 views
A titration was performed in which 56 ml of a .022M HCL solution was used to titrate 50 ml of a PB(NO3)2 solutiona) what was
1. 0 answers
2. 856 views
CuSO4 + X h20 -> CuSO4 +xH20 ...a 9.6 g sample of CuSO4 was allowed to absorb water. After absorption the sample weighed 15.01
1. 1 answer
2. 793 views
4C3H5N3O9 -> 6N2 + 12 CO2 + 10H20 + O2a) how many grams of water would be produced if 75 g of nitroglycerin decompose? b) The
1. 1 answer
2. 578 views
A 50 ml sample of 0.025M AgNo3 is mixed with 15 ml of 0.04 M CrCl3. How many grams of AgCl will precipitate? Please show steps
1. 2 answers
2. 655 views
Is Brass a compound or a mixture and why?
1. 3 answers
2. 428 views
WE'LL, WON'T... WHAT IS THE PROPER PHRASE FOR THESE WORDS? IS IT A COMPOUND WORD?
1. 1 answer
2. 413 views

Answers (7)

hes wrong lol
9 questions
3. C btw mb
1.20% 2. 12% 3. 9 % 4.50%
90/7
i just posted this, nor do i see the answer.
how do i write the equation?

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