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Sal
Questions and answers by visitors named
Sal
Questions (48)
Identify each enthalpy change by name and classify each change as exothermic or endothermic.
a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
5 answers
3,845 views
The area of largest isosceles triangle that can be drawn with one vertex at the origin and with others on a line parallel to and
4 answers
2,356 views
for the reaction 2Na(s) + Cl2(g) -> 2NaCl(s), how many grams of NaCl could be produced from 103g of Na and 13L of Cl2 (at STP)
3 answers
1,082 views
I would appreciate your help with this.
Thank you Solve each equation and check for extraneous solutions. [SQRT(x - 3)] - 7=0
4 answers
515 views
What does "statistical analysis" mean??
I tried to look at dictinary. com but i didn't get anything that i understood... PLEASE
1 answer
408 views
Almost all the water vapor in the atmosphere is in the exosphere, ionosphere, stratopause, or troposphere?
2 answers
932 views
Hi simple question which of these have the dimension as length?
A) a*t^2 B) v^2/2*a C) a*v D) (v^2*m)/F
4 answers
314 views
This question has been blowing my mind, and my teacher is offering no help whatsoever.
Experiments performed on the wing of a
5 answers
5,146 views
If the height of the water slide in the is = 3.9m , and the person's initial speed at point A is 0.60 m/s , what is the
2 answers
572 views
This is a very confusing question and I have no idea how to tackle it.
- In a nuclear reactor, neutrons released by nuclear
4 answers
1,994 views
A helicopter is flying horizontally at 7.5 m/s and an altitude of 17 m when a package of emergency medical supplies is ejected
2 answers
552 views
A baseball is thrown with an initial velocity of magnitude v at an angle of 27.2 with respect to the horizontal (x) direction.
2 answers
636 views
What are the various problems and difficulties that can occur with a society in the middle of the ocean, or a society under the
3 answers
397 views
Identify each enthalpy change by name and classify each change as exothermic or endothermic.
a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
1 answer
624 views
what does the phenomenon of interference demonstrate?
a)the wave nature of light b)the polarization of light waves c)the
3 answers
1,673 views
From the following:
pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
5 answers
5,445 views
Consider the following function.
f(x) = (x+2)/(x-3) (a) Find f '(x) (b) Find f '(4)
1 answer
424 views
When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate in an artery has been
3 answers
997 views
WHO MADE THESE ATOMIC DISCOVERIES?
An atom has a nucleus that is very small In a reaction, the mass of the products must equal
4 answers
634 views
What are two behaviors in either a plant or animal that demonstrates a circadian rhythm?
4 answers
453 views
What are three groups of organisms that are photosynthetic autotrophs?
What are the primary producers of the deep-sea vents?
2 answers
583 views
168p divided by -14
1 answer
275 views
You are given the cordinates of the four points
A (6,2), B(2.4), C (-6, -2) and D (-2,-4). Show that the equation of the line DA
10 answers
412 views
The points A,B,C,D have coordinates (3,3) (8,0) (-1,1) (-6,4) respectively.
Find the coordinates of the point of intersection of
7 answers
619 views
if a dog is sitting on a porch and 20 meters away a cat is playing. if the dog travels at 4m per second and the cat travels at
1 answer
449 views
Is "is" an adverb?
1 answer
307 views
Signal Phrase: Read "Too Much Pressure" by Colleen Wenke (564-568). Consider it a model for using signal phrases to introduce
2 answers
554 views
I have a Lab assignment that requires the synthesis of carboxylic acid and our final product is Benzoic Acid. The following
2 answers
486 views
Graph the following functions .include two full periods .a)y=3cos(2x) and b)y=-4sin(4x) on same graph
2 answers
608 views
Which of the following events is part of the novels falling action?
A. Paul reveres ride to Lexington B. Johnnys injury of his
10 answers
1,365 views
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80
1 answer
459 views
1. Which movie professional creates the storyboard?
A. Screenwriter B. Production designer C. Director D. Graphic artist 2. How
18 answers
2,762 views
Please check my answer for this:
17 - 4 x 3 + 8 = The answer I come to is 13
1 answer
286 views
Find the solution or solutions of the equation:
3^x=3/2x+6 Thank You ;)
1 answer
315 views
Please help.
Julio uses a scale of 1/ 8 inch � 1 foot when he paints landscapes. In one painting, a giant sequoia tree is 34.375
2 answers
501 views
If apples are 25 cent's, watermelon is 4 dollars, and cantaloupe is 50 cents . what 25 fruits can I buy with 25 dollars ??
1 answer
461 views
Monica stepped outside and began to think how fast she is moving even when she is standing still.
Assume that the earth is a
2 answers
577 views
How do you create a calibration curve? How do you use a calibration curve to convert absorbance to concentration in mg/mL?
1 answer
458 views
Pretend you are a medical professional and it your job to make an I.V. solution for a patient that has a total cellular solute
1 answer
476 views
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
(b)
4 answers
1,792 views
What are 5 dinosaurs that lived in Georgia
2 answers
592 views
which of the following sentence parts describes the italicized portion of this sentence? the board walk in atlantic city hugs
4 answers
545 views
Suppose a random sample of size 58 is selected from a population with σ = 9. Find the value of the standard error of the mean
3 answers
1,181 views
x=25.84;y=-6.8
What is the answer
1 answer
218 views
One day a store sold 23 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all, $278.55 worth of sweatshirts
1 answer
428 views
A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $20/ft and on the other three
1 answer
429 views
Find the equation of a quartic polynomial whose graph is symmetric about the y-axis and has local maxima at (−3,3) and (3,3)
3 answers
666 views
Marc, Paul, and Guida have 92 cd’s all together. Paul has 6 more cds than Marc. Marc has 7 more cds than Guida. How many cds
1 answer
27 views
Answers (30)
Thanx Em
Thank you who cares :D!
thank you so much! :)
idk help me
Yes, I believe you are correct Manny, seems like we have the same class...this is what I got if you need it: 1. A 2. B 3. A 4. C 5. D 6. D 7. A 8. A Hope this helps!
Ok to avoid confusion these are the answers for Protists 1 1. B 2. A 3. A 4. A 5. C 100%
nope. none of the organic chem molecules exist in the textbook.
bab
THANK YOU SO MUCH KATIE
Convert pressures from mmHg to atm then use combined gas law to solve for the new volume. You get 2.06 Liters
1. D? 2. B?
$23095.36
Ah wait i got the equation for BD as y=-2/7 x + 16/7 is that right?
The gradient/slope for BD is -2/7
I get the gradient part reiny, but how do you use one of the points to get the equation?
Your a star!!!!!!!!!!!!! Many thanks
Im sorry!!! Its so late and im half asleep. Worse time to do maths. I get it reiny!!!!!!! Thank you So the second point is -4 = -4 therefore it must be the correct equation as both points satisfy the equation?
What is RS and LS?
Is there a way of simplifying the equation 4y-3x=-10 to y=0.75x - 2.5, then proving that is the equation for DA?
Could you please explain that in full, as im really struggling to understand. The other two points were for calculating gradients AB, CB, DC and DA but i got that. Thanks reiny!
Odysseus sent three men to see what the land [possible capitalization of L here] of the Lotus Eaters, who LIVED on the flower, WAS [watch your tenses] about. The three men had gotten fed the Lotus and now they had no desire to go back to the ship or TO go
Image one is b and Image Two is C
SOMEONE ANSWER THIS!
That's ok. I already found the answers. Although I did try that before and it didn't help.
Thanks for the help!
I am very sorry. Chem is just not my thing and i looked in my notes the book and everything
also sorry to add, the drop off point from slide is 1.5m from ground.
Still so confused @_@. Does the dimension as length mean, when calculated the answer = length?
#1 c #2 b #3 c #4 I'm leaning towards b
What would i do with the 2 ?
