Sal

This page lists questions and answers that were posted by visitors named Sal.

Questions

The following questions were asked by visitors named Sal.

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)

I would appreciate your help with this. Thank you Solve each equation and check for extraneous solutions. [SQRT(x - 3)] - 7=0 2[SQRT(w + 4)]=5 [SQRT(x)]=-2

What does "statistical analysis" mean?? I tried to look at dictinary. com but i didn't get anything that i understood... PLEASE HELP ME!!

Almost all the water vapor in the atmosphere is in the exosphere, ionosphere, stratopause, or troposphere?

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

This question has been blowing my mind, and my teacher is offering no help whatsoever. Experiments performed on the wing of a hawkmoth (Manduca sexta) show that it deflects by a distance of = 4.9 mm when a force of magnitude = 3.2 mN is applied at the tip...

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 horizontal distance between the base of the slide and the splashdown point of the person?

This is a very confusing question and I have no idea how to tackle it. - In a nuclear reactor, neutrons released by nuclear fission must be slowed down before they can trigger additional reactions in other nuclei. To see what sort of material is most effe...

A baseball is thrown with an initial velocity of magnitude v at an angle of 27.2 with respect to the horizontal (x) direction. At the same time, a second ball is thrown with the same initial speed at a different angle with respect to x. If the two balls l...

What are the various problems and difficulties that can occur with a society in the middle of the ocean, or a society under the ocean. (Ex. Waste management, or agriculture) I need about 5. Also, what is the necessary technology needed to make the environ...

Identify each enthalpy change by name and classify each change as exothermic or endothermic. a)1 mol C3H8 (l) ==> 1 mol C3H8 (g) b)1 mol Hg (l) ==> 1 mol Hg (s) c)1 mol NH3 (g) ==> 1 mol NH3 (l) d)1 mol NaCl(s) + 3.88kJ/mol ==> 1 mol NaCl (aq) e)1 mol NaC...

what does the phenomenon of interference demonstrate? a)the wave nature of light b)the polarization of light waves c)the quantization of the atomic orbitals d) the particle nature of the photon e) the process of ionization -how about for diffraction?

From the following: pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2 (m=0.01) in water choose the one with the a) highest freezing point b) lowest freezing point c) highest boiling point d) lowest boi...

Consider the following function. f(x) = (x+2)/(x-3) (a) Find f '(x) (b) Find f '(4)

When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate in an artery has been reduced to 30% of its normal value due to plaque formation, and the average pressure difference has increased by 40%, by what factor...

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 above the x-axis and on the curve y=27-x^2 is.... A) 108 B) 27 C) 12 root 3 D) 54 E) 24 root 3

WHO MADE THESE ATOMIC DISCOVERIES? An atom has a nucleus that is very small In a reaction, the mass of the products must equal the mass of the reactants. Electrons are negatively charge pieces of matter. An electron has a mass that is very small compared...

What are two behaviors in either a plant or animal that demonstrates a circadian rhythm?

What are three groups of organisms that are photosynthetic autotrophs? What are the primary producers of the deep-sea vents?

168p divided by -14

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 is 4y-3x = -10 help please!!

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 the diagonals AC and BD? Help plZ!!!

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 2m per second. how many seconds does the cat have before he should be up a tree

Is "is" an adverb?

Signal Phrase: Read "Too Much Pressure" by Colleen Wenke (564-568). Consider it a model for using signal phrases to introduce quoted material as explained on pages 508-512 of the Bedford Handbook. 1. Copy two good examples from Wenke's essay of signal phr...

I have a Lab assignment that requires the synthesis of carboxylic acid and our final product is Benzoic Acid. The following equation was provided: C7H8 + KMnO4 ---> MnO2 1) KMnO4, OH-, heat 2) H3O+ We were asked to balance the equation including the by-pr...

Graph the following functions .include two full periods .a)y=3cos(2x) and b)y=-4sin(4x) on same graph

Which of the following events is part of the novels falling action? A. Paul reveres ride to Lexington B. Johnnys injury of his hand and need to find another trade C. Johnnys acceptance of Dr. Warrens offer to operate on his hand D. General gage and the so...

1. Which movie professional creates the storyboard? A. Screenwriter B. Production designer C. Director D. Graphic artist 2. How might a cinematographer create a believable scene in natures? A. Through research of plants and animals B. Through adjustment o...

Please check my answer for this: 17 - 4 x 3 + 8 = The answer I come to is 13

Find the solution or solutions of the equation: 3^x=3/2x+6 Thank You ;)

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 inches tall. How tall is the real tree?

If apples are 25 cent's, watermelon is 4 dollars, and cantaloupe is 50 cents . what 25 fruits can I buy with 25 dollars ??

How do you create a calibration curve? How do you use a calibration curve to convert absorbance to concentration in mg/mL?

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 count of 1.19%. What would be the perfect I.V. solution to administer to your patient?

Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere. (b) bis(bipyridyl)cadmium(II) chloride (c) potassium tetrabromo(ortho-phenanthroline)- cobaltate(III) (d) cesium diamminetetracyanochrom...

What are 5 dinosaurs that lived in Georgia

which of the following sentence parts describes the italicized portion of this sentence? the board walk in atlantic city hugs the white, sandy, coastline

x=25.84;y=-6.8 What is the answer

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 does each of them have?

Answers

The following answers were posted by visitors named Sal.

What would i do with the 2 ?

#1 c #2 b #3 c #4 I'm leaning towards b

Still so confused @_@. Does the dimension as length mean, when calculated the answer = length?

also sorry to add, the drop off point from slide is 1.5m from ground.

I am very sorry. Chem is just not my thing and i looked in my notes the book and everything

Thanks for the help!

That's ok. I already found the answers. Although I did try that before and it didn't help.

SOMEONE ANSWER THIS!

Image one is b and Image Two is C

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...

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!

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?

What is RS and LS?

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?

Your a star!!!!!!!!!!!!! Many thanks

I get the gradient part reiny, but how do you use one of the points to get the equation?

The gradient/slope for BD is -2/7

Ah wait i got the equation for BD as y=-2/7 x + 16/7 is that right?

Convert pressures from mmHg to atm then use combined gas law to solve for the new volume. You get 2.06 Liters

THANK YOU SO MUCH KATIE

nope. none of the organic chem molecules exist in the textbook.

Ok to avoid confusion these are the answers for Protists 1 1. B 2. A 3. A 4. A 5. C 100%

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!

thank you so much! :)

Thank you who cares :D!