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Brennan
Questions (16)
(-3,-6) y=-5x+1
0 answers
133 views
Is the number 254.71 multiplicative and why?
1 answer
430 views
Sara, Cathy, and Tina have just finished playing three games. There was only one loser in each game. Sara lost the first game,
2 answers
659 views
The percentage yield for the reaction
PCL3+Cl2-->PCL5 is 83.2%. What mass of PCL5 is expected from the reaction of 73.7g of PCL3
1 answer
2,448 views
Acetone has a delta Hvap of 29.1 kj/mol and a normal boiling point of 56.2 degrees Celsius. At what temperature (in degrees
1 answer
903 views
(x-3)/(6)-(7)/(15)≤(3x-1)/(10)
1 answer
673 views
(x)/(3)+(5)/(6)<(4)/(3)*x
1 answer
308 views
A chemical plant uses electrical energy to decompose aqueous solutions of NaCl to give Cl2,H2, and NaOH:
2NaCl(aq)+2H2O(l)-->2NaO
0 answers
1,067 views
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of
5 answers
1,768 views
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 1.90 m above the floor with a speed of 7.00
2 answers
656 views
A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 14.9 m/s. As the drawing indicates, the
2 answers
985 views
During the cold war, u.s. relations with the soviet union were dominated by?
a. detente b. containment c. foreign aid d.
1 answer
534 views
In recent decades, the Federal Government has borrowed money mostly to:
a - finance special expensive projects. b - provide funds
3 answers
517 views
okay so i was given a worksheet with 15 word problems. i couldn't solve 2 so if you could help me out it would be good..
If you
1 answer
600 views
okay so i was given a worksheet with 15 word problems. i couldn't solve 2 so if you could help me out it would be good..
If you
4 answers
1,739 views
I have to come up with some new products or services. Any ideas?
1 answer
380 views
Answers (5)
I truly don't understand this at all. Is there another way you can explain it to me.
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. L of hard water contains 0.021 M of Ca and
yes it was, but it was wrong. I did )Inital KE + inital PE)- W = (Final KE + final PE) and got 8.2425
I can't manage to add the drawing on this website. But there is no angle on the drawing anyways..
So it would be D then?
