Eddie

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

Questions

The following questions were asked by visitors named Eddie.

Given the following data: S(s) + 3/2 O2(g)-->SO3(g) ∆H = -395.2 kJ 2SO2(g) + O2(g) -->2SO3(g)∆H = -198.2 kJ Calculate ∆H for the reaction S(s) + O2(g) --> SO2(g) Could someone please tell me how you would go about doing this type of problem?

A 2.0kg siverware drawer become stuck, so the owner graually pulls with more and more force. When the applied force reaches 8.0N the drawer suddenly opens, throwing the utensils to the floor. Find the Coefficient fo static friction between the drawer and...

Hello - I am afreshman & honors algebra is kicking my butt - I need to simplify the following (-6c)(2-3c) can some on help

A 9500kg car traveling at 16m/s strikes a second car. The two stick together and move off with a speed of 6.0m/s. What is the mass of the second car?

Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are...

Is there any other way to test for starch besides the potassium iodide test?

Crate a chart to compare the niches of the different species in your ecosystem. 10 Species / Grasslands I don't how to do it. >.<

what do two of the stars in the bowl of the big dipper point to ?

A baseball pitcher throws a ball horizontally under negligible air resistance. The ball falls 83cm in travelling 18.4 m to the home plate. Determine the ball's initial horizontal speed.

how many ways are there to chose 6 people out of 14 to be on a committee? what is the equation your supposed to use

I need to know how i would get started on how to make a portfolio. I'm needing it for my Humanities class for college

Explain that distinction of "interactive-passive" test of jurisdiction.

Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)--> CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating...

Determine the [H3O^+] of a 0.240 M solution of formic acid.

Determine the [OH^-] of a solution that is 0.145 M in CO3^2-.

Calculate the amount of energy in kilojoules needed to change 225 g of water ice at -10 C to steam at 125 C. The following constants may be useful: Cm(ice)=36.57 J/(mol*C) Cm(water)=75.40 J/(mol*C) Cm(steam)=36.04 J/(mol*C) Delta H(fus)=+6.01 kJ/mol Delta...

Calculate the standard cell potential for each of the following electrochemical cells. Ni^+2(aq)+Mg(s)--->Ni(s)+Mg^+2(aq) I used the e cell values from the back of my book. They are: Ni^+2(aq)+2e--->Ni(s) E^0= -0.23 V Mg^+2(aq)+2e--->Mg(s) E^0= -2.37 I di...

A point charge of -14nC and +12nC is located 12cm along the x-axis. Determine the magnitude and direction of the electric field intensity at point P at the mid-point and 8cm perpendicular from the x-axis: p | | 8.0cm | | -14nC.---------------. 12 nC 6cm 6...

You use 11 ml of a 1M H2SO4 solution to titrate 6ml of ammonium hydroxide solution. What was the concentration of the ammonium hydroxide solution?

What is the lewis structure for Propanoic Acid?

A 23.6 molar solution of formic acid (methanoic acid) has a density of 1.16 g/ml. The molar mass of H, C, and O are 1g/mol, 12g/mol and 16 g/mol, respectively. What is the molality of this solution?

Name 2 fractions that are equivalent to 3 4th

there are a group of ducks and goats there are 99 heads and legs among them there twice as many ducks than goats are many ducks and goats are there?

solve for x 2ax+b=c

I need to identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement) and the prepositional phrases of the following sentances. I thought i had them more or less right but when i turned them i...

I have to match the following sentances to the sentance patterns listed 1.Visiting old mine shafts can be an interesting experience. 2.Remodeling this house has become very expensive. 3.The old village sprawled across the green valley. 4.Academic success...

You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?

While flying due east at 130 km/h, an airplane is also carried northward at 41 km/h by the wind blowing due north. What is the plane's resultant velocity? (Draw vector diagram to solve problem.) Magnitude km/hDirection (north of east) 72° 18° 18° 72°

Janet jumps off a high-diving platform with a horizontal velocity of 3.5 m/s and lands in the water 1.7 s later. How high is the platform, and how far from the base of the platform does she land?

Given b is the midpoint of AC. AB=6x+7 and BC is 18x-4 what is the length of AB BC AC

A 2.5-kg block slides down a 17.0° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom its velocity reaches 0.70 m/s. The length of the incline is 1.7 m. What is the acceleration of the block? What is the coeffi...

The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 * 10^14 Hz. What is the wavelength of this radiation in nanometers?

Yellow colors in fireworks are die to the 589 nm radiation of sodium ions. a.) How much energy is given off by one photon of sodium?

you are taking a 10 question essay test. How many ways can you answer the test?

how many moles of Nitrogen are in 80g of N2O?

Job 1: Donivan Tech offered this girl a job at $50,310 a year at 45 hrs a week, traveling 45 miles a day. She estimates 15% of her gross pay. what is her weekly pay before deductions or expenses?

A rectangular poster measures 42 inches by 26 inches. A frame shop fitted the poster with a half inch mat border

The Z company specializes in caring for zebras. They want to make a 3-dimensional "Z" to put in front of their company headquarters. The "Z" is 15 inches thick and the perimeter of the base is 390 inches. What is the lateral surface area of this "Z"?

Suggest an organizational strategy that you think would be effective for a health care organization. Recommend a key HIT tactic that would support the implementation of the strategy selected. Justify your response. •Analyze the role of a CEO or CIO in a h...

Simplify the expression completely. -15m^3 z^5 / -4m^4 z^2

A mixture of gases is made up 0.48 mol of Ar and 0.94 mol of N2 with a total pressure of 1.68 atm. What is the partial pressure of Ar?

A 3.68 g sample of solid gold is heated from 24 ºC to 34 ºC. How much energy (in joules and calories) is required? Thank you!

In a coffee cup calorimeter, 1.60 g of NH4NO3 is mixed with 75.0 g water at an initial temperature of 23.50 ºC. When the salt was completely dissolved, the solution temperature of the calorimeter became 21.80 ºC. Assume the solution’s specific heat capaci...

How much ice (in grams) with the temperature of 0∘C would have to melt to lower the temperature of 355mL of water from 26∘C to 4∘C? (Assume the density of water is 1.0 g/mL.)

Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot

Show the half equations at the anode and cathode for an electrolysis of concentrated magnesium chloride solution using inert electrode

Give the half equations at the anode and cathode for a dilute hydrochloric acid,dilute copper chloride solution and the concentrated magnesium solution.

What role should our government play in Price Ceilings and a Price Floors?

A car travels in the +x-direction on a straight and level road. For the first 5.00s of its motion, the average velocity of the car is V = 7.11m/s . How far does the car travel in 5.00s ? Thank you!

Katy has 13 oranges, 12 apples, and 6 bananas. She also has two boxes. Which fruit cannot be put evenly into the two boxes?

A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?

How many grams of cesium chloride (CsCl) will be needed to make 750. mL of a 0.100 M CsCl aqueous solution? The formula mass of CsCl is 168.36 g/mol

Samantha has 34 coins in her pocket, all which are nickles and quarters. If the total value of her change is $3.90, how many nickles and quarters does she have?

Suppose f(x) = (x-1)^2/x+1 if x < 2 (x^2-2x-8)/x-4 if 2 <= x < 4 (1/(x-3))+5 if 4 <= x Identify any points of discontinuity, and determine (giving reasons) if they are removable, infinite (essential), or jump discontinuities. How do I find the continuitie...

If my car gets 18 miles to the gallon on the highway how many gallons would it take to go 620 miles

Jeff rear-ended a car on his way to work and damaged his vehicle. He drove his car to the local body shop for an estimate of the cost to repair his car. Jeff has a $500 deductible. The local body shop provided an estimate of $3725. How much will Jeff have...

A box of mass m=10 kg rests on a surface inclined at 0=30° to the horizontal. It is connected by a light weight cord which passes over a massless and frictionless pulley to a second box of mass Mb which hangs freely . If the coefficient of static friction...

What are best ways to give proper credit when using someone else's work?

Answers

The following answers were posted by visitors named Eddie.

What is the equation with out the Numbers

is it Sum of the Forces=mg

North American grasslands, so the prairies. I can give 10 species if that's any easier. coyote, badger, red fox, longtail weasel, mink, river otter , snowshoe hare, beaver.prairie dog,striped skunk.

Paint, flour in water. that's all i know.

that's the problem, I can't....

These are the numbers I calculated: Cm(ice)=4.57 kJ Delta H(fus)=75.06 kJ Cm(water)=94.17 kJ Delta H(vap)=507.97 kJ Cm(steam)=11.25 kJ Total= 693 kJ

Correction: E_cell= -0.23 - 2.37= -2.60 V

Sorry the diagram didn't come out right!

thank you for your help what about these questions 8. The Gerrards consider their son a genius Gerrards = subject Consider = verb son = direct object genius = ocject compliment 9. The committee elected George chairman committee = subject elected = verb Ge...

thank you again i answered them again and got 80%

Then what do I do with 6x+7 = 18x-4

I am doing the same problem. I got as far as you, including: DF = C2/C1 = 10 mM /500mM = 0.02 EDTA V1= DF x V2 = 0.02 x 300mL = 6 mL ...Now i am not sure what to do with this information. I would appreciate the help.

A rectangle.😑

How the fraud and corruption affected the offender` s career.

384 rabbits after 8 months

Cu(OH)2, Ksp =1.6×10^-19

0.50t + 35 = 52 - 35 -35 (Subtract 35 from both sides using inverse operation) _____________ 0.50t = 17 ____ ____ (Using inverse operation divide both sides by 0.50) 0.50 0.50 t=34

Find the cost of 100g rice at 95p per 1/2

Arithmetic Progression - applying common difference, $x-4=32-x$ $2x=32+4$ $2x=36$ $x= 18$ Geometric Progression - apply common ratio, $\dfrac{x}{4} = \dfrac{32}{x}$ $x^2 =128$ $x = \pm \sqrt{128}$

So what is the correct answer

Is a math question

Could anyone please write me the original formula for the surface area if a pyramid? I would love to hear from you guys*☺*

F=m1v1-m2v2 0.069 times the change in velocity 0.069(29)=2.001. Newtons third law= your answer -2.001 I can't really explain it but that's how you find the answer.

(11 ⋅ 5) + 6 = $61

D. inductive reasoning