a certain reaction has the following generaln form

72,980 results, page 86

Business Law Environment

The three main types of business organizations are partnerships, LLCs and corporations. Using the text and the comments to this chapter provide the following information. a. Describe the formation process for each – formal, informal, etc.? b. Describe the liability of the...

HEALTH

1. Which of the following statements about defensive medicine is true? A. Insurance companies encourage it. B. It's the result of fewer malpractice claims. C. It can mean excessive medical tests. D. It's motivated by the needs of the patient 2. The jury assigns percentages of ...

Chemistry

"Solid dinitrogen pentoxide is added to water." I got this as my answer: N2O5 + H20 -> 2HNO3. Do I need to break 2HNO3 apart since it's a strong acid? I thought it wouldn't since I thought it was a synthesis problem. I read online that this was the answer (N2O5 + H2O ->H...

math

find the exponential function of the form y=ab^x whose graph passes through the points (4,6) and (7,10) i got a=3.04 and b= 1.185 so my equation is y=3.04(1.185)^4 is this correct? one more problem. find a power function of the form y=ax^b whose graph passes through the points...

government

Think anyone can help me. I'm having trouple with my social civics pre-exam. Who is responsible for running a city under the council-manager program?(A) mayor and the city council. (B) hired administrator who runs the city's business affairs (C) an elected board What is the ...

Chemistry

A chemist trying to synthesize a particular compound attempts two different synthesis reactions. The equilibrium constants for the two reactions are 23.3 and 2.2 X 10^4 at room temp. However, after 15minutes the chemist finds that the reaction with the smaller equilibrium ...

chemistry

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...

chemistry

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...

chemistry

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to Key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...

math,correction

Can someone correct these for me please... Multiply. (x+2)(x-2) My answer..x^2-4 Write in descending-exponent form, and give the degree 4x^5+x^8-7 My answer: In descending-exponent form would be: x^8+4x^5-7, The degree is 8 Multiply. 3xy^2(5xy-4x+6y) My answer: 13x^2y^2+18xy^3...

Geography

I'm writing a paper about sedimentary rocks. My goal is 700 words but I'm stuck. can someone read this and let me know if I'm overlooking some important facts? ************************************* Sedimentary rocks are rocks that have accumulated at the surface of the Earth. ...

Chemistry Lab

Are you titrating? Qualitative testing? Just what? If the copper is in solution you can filter the ppt (or let the ppt settle and decant some of the supernatant liquid) and to the filtrate or the decanted liquid add some more NaOH to see if additional ppt will form. If I have ...

More Chemistry (yeah im bad at math...)

In the Reaction CO+2H²-->CH³OH, 1.27 g of CH³OH are made in the lab. The Percent yield of this reaction is___. Would the answer be 42? Pick a number, any number. You need to know how much CO OR H2 you started with. As it stands, the answer is indefinite. so... it dosent ...

Chemistry

Iron (III) Oxide reacts with Aluminum to form Aluminum Oxide and Iron. If I have 255 g of Aluminum and unlimited Iron (III) oxide, how many grams of Iron will form? I am really not sure how to work with this. What does it mean when it says that the iron is unlimited, how would...

science

12. Convert 11.1 liters to centiliters. A. 1,110 centiliters B. 11,100 centiliters C. 111 centiliters D. 111,000 centiliters 13. Which of the following tasks should be performed before measuring the mass of any object on a triple-beam balance? A. Make sure that the balance pan...

Science

(1)A geologist was studying rocks in a mountain range. She found a layer of sedimentary rock that had formed in the ocean. Hypothesize how this could happen. My (Answer) Sedimentary rocks forms when sediments have been pressed or cemented together , or when minerals form from ...

chemistry

1. All of the following are structural isomers of CH2=CHCH2CH=CHCH3 EXCEPT a. CH2=CHCH2CH2CH=CH2 b. CH3CH=CHCH2CH=CH2 c. CH3CH=CHCH=CHCH3 d. CH2=C=CHCH2CH2CH3 Is it D? 2. Almost all of the amoino acids found in living organisms are in the L-form. L-Alanine and D-alanine are a...

chemistry

how do you find the Kc of a reaction?

Chemistry

E(V) for half reaction 3N(-1/3) -> 3 N(0) + e-

chemistry

if [NO]=2M , [N2] = 1M, and [O2]= 1M, is the reaction at equilibrium?

Chemistry

Does Pb(NO3)2 + Cu has a reaction? if so, what will it be?

CHMISTRY

HOW DO YOU CALCULAT KC FOR THE REACTION

English

Can you please check these instructions, Writeacher. Thank you very much. English remedial test 1) Complete the following sentences with must/mustn’t, have to, don’t have to, should/shouldn’t 2) Fill in the correct future form (will future, going to future, Simple ...

Chemistry

Where can I find the Chemical names of the ingredients of certain household substances like Red Devil Lye or Cascade? I have already looked on packaging and stuff but some of it is not listed.

Human Relations

The saying "Necessity is the mother of invention" emphasizes the contribution of ___ to creativity. A. certain mental activities B. pure natural ability C. intrinsic motivation D. environmental conditions.

English H1

Can someone please help explain Lord of the Flies by William Golding to me? I understand the general concept, but certain parts I can't seem to grasp. I'm only as far as Chapter Five. Thank you SO much to anyone who can help!

calculus

the cost (in dollars) of producing x units of a certain commodity is C(x)=5090+13x+0.09x^2. Find the average rate of change with respect to x when the production level is changed from x=105 to x=107.

math

Suppose a certain economy's consumption function is as follows, where C(x) and x are measured in billions of dollars. C(x) = 0.76x1.1 + 18.19 Find the marginal propensity to consume (dC/dx) when x = 7. (Round your answer to three decimal places.)

math

Suppose a certain economy's consumption function is as follows, where C(x) and x are measured in billions of dollars. C(x) = 0.76x^1.1 + 18.19 Find the marginal propensity to consume (dC/dx) when x = 7. (Round your answer to three decimal places.)

Statistics

Scores on a certain exam are normally distributed with a mean of 78 and a variance of 25. What is the score obtained by the top 5% of the students? I do not understand the 5% part. What does the tail look like on the bell-shaped graph?

Math

The average hourly wage of employees of a certain company is $14.58. Assume the variable is normally distributed. If the standard deviation is $3.99, find the probability that a randomly selected employee earns less than $9.79.

Math

The average hourly wage of employees of a certain company is $14.24. Assume the variable is normally distributed. If the standard deviation is $3.27, find the probability that a randomly selected employee earns more than $18.98.

Health

do you agree that certain sport requirements can cause boys to suffer from a poor self-image? What is your feeling about today's emphasis on weight lifting, jogging, and training on gym equipment?

Biology

|Question| Living organisms are composed of millions of organic compounds, each having a unique structure. What element is responsible for this huge diversity of molecules? Describe the diversity of structures that can be formed and the properties of this element that allow ...

science

1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...

science

1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where would ...

science

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...

science

1. radioactive decay occurs when atoms A- lose mass * B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates evolved, where ...

Pratical English

1. Which one of the following sentences contains an error in its verb? A. Both Clara and Nathan is planning to attend. B. Neither bananas nor squash was for sale. C. Either footnotes or endnotes are acceptable. D. Not only the players but also coach Jarvis was late for ...

languge arts reading help

You are driving down a road o the main highway near Deming, New Mexico. Suddenly, in the midst of a mesa of tall yellow grass, you see amazing columns of stones. Some stones are forty feet tall. As you get closer, you see that other stones form arches, and still others appear ...

the most dangerous game by richard connell reading

i did all the question except for these 3 characterization chart w/ 5 textually supported inferences specific to protagonist and 5 textually supported inferences specific to the antagonist. static/flat character with text support of intended stereotype paragraph form dynamic/ ...

chemistry

The equivalent weights of X and Y are _________ g/equiv. H+ and g/equiv. –OH, respectively, for the following reaction: Z (Note: Report your answer with 4 significant figures.) X Y Z Answer #1 Answer #2 benzoic acid calcium hydroxide 2 C6H5COOH + Ca(OH)2 2 H2O +Ca(C6H5COO)2 ...

chemistry - Dr.Bob222 please help

Hi Everyone, Anyone want to try giving these a shot? The right electrode in a cell is a piece of copper immersed in a 1.00 L solution of 0.0701 F copper sulfate. The left electrode is a galvanized nail (i.e., an iron nail that is completely coated with a layer of zinc), ...

Chemistry

Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of persulfate ion and the increase in the initial ...

Math

Can someone please make up data and show me how these questions are done? In the original problem, the data includes; the base fare price, price by mile and price by minutes. a)Use the data shown above and express in words the amount the cab company charges per ride and per ...

English

Please double check my answers to make sure that I am thinking about each question correctly. Thanks. Last night, Lucy and Neil met Morey in Gramercy Park. 9. The object of the verb is A. Lucy and Neil. B. night. C. Gramercy Park. D. Morey. I picked D, since the verb is met ...

Check spanish answers

5. Which of the following would be best to drink while running a marathon? un bistec una gaseosa un batido agua 6. What is the best response to the following question? ?De donde eres? Soy de los Estadoes Unidos Estoy de los Estados Unidos Ser de los Estados Unidos Es de los ...

Chemistry

So, I go to high school in Texas and we have this AP Chem lab due online tomorrow night by midnight and I need some serious help on these questions:  Lab Temp 0.2°C  Experiment Trial Time in seconds Trial 1 Trial 2 Average Time  1 1 2 256 275 268  2 1 2 215 226 220.5  3...

chemistry

Hi, I'm doing a post-lab report and I have no idea how to solve this question. It asks which of the following molecules would be useful in quenching benzophenone photoreduction. it then lists oxygen (s1 = 22kcal/mol), 9,10-diphenylanthracene (t1=42 kcal/mol), trans-1,3-...

probability

Mendel found that flower color in certain pea plants obeyed the following scheme. Pure red crossed with pure white produces red. When pure red​ (RR) and pure white​ (rr) parents are​ crossed, the resulting Rr combination​ (one of each​ gene) ...

Fluid Mechanics

Water enters a turbo-machine at a velocity 12 ft/s. The flow occurs in the horizontal plane. The inside diameters of the inlet and exit pipes are 1 ft and 2 ft, and the gage pressures at the inlet and exit are 10 psi and 5 psi, respectively. The machine is anchored at the ...

Chemistry

A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He eventually decides to get himself examined. While questioning him, you learn that he ...

chemistry

What is the equilibrium expression for the following acid dissociation reaction? CH3COOH + H2O CH3COO- + H3O+ A. [CH3COO-][H3O+]/[CH3COOH][H3O] B. [CH3COOH][H2O]/[CH3COO-][H3O+] C. [CH3COOH]/[CH3COO-][H3O-] D. [CH3COO-][H3O+]/[CH3COOH]

Gen Chm II

Determine the pressure-based Keq for the reaction: 2SO2(g) + O2(g)<--->2SO3(g) given that 1.00×10−2 moles of SO2 and 2.00×10−2 moles of O2 were initially placed in a 2.00 L reaction chamber. The chamber contained 7.5×10−3 moles of SO3 when ...

Algebra

Which property is illustrated by the following statement? (7p)mn = 7p(mn) a. Commutative Property of Multiplication b. Associative Property of Multiplication(?) c. Inverse Property of Multiplication d. Commutative Property of Addition What is the simplified form of the ...

History

Which accurately describes a similarity between medieval Japanese culture and medieval European culture? japan and Europe used a form of representative democracy during the middle ages Japanese summary and European knight shred similar codes of ethical conduct medieval Europe ...

History

Which accurately describes a similarity between medieval Japanese culture and medieval European culture? japan and Europe used a form of representative democracy during the middle ages Japanese samurai and European knight shared similar codes of ethical conduct medieval Europe...

Math

1. In the 30 day month of April, for every three days it rained, there were two days it did not rain. The number of days in April on which it rained was how much greater than the number of days on which it did not rain? 2. Each terms of a certain sequence is greater than the ...

AP Chem (Thanks!)

Hey guys! Stuck on some! My maybe answers are written next to the problem (1 problem-5 parts). Thanks for any help: 1. Lead (II) chromate, PbCrO4, is a slightly soluble salt. Write a net ionic equation for the dissolution of solid PbCrO4 in water. My thoughts: PbCrO4+2H+-->...

Statistics

A group of freshmen and sophomore students was selected and each was asked whether they were a member of a student club. The following table was constructed: Student Club No Student Club Freshman 4 15 Sophomore 9 7 Find the probability that a randomly selected student form the...

chemistry

I did a project for lab chemistry where my aim was to see which substance, from a selection of 4 chlorides, recrystallises from a solution to form the most crystals. The 4 chlorides were KCl, NaCl, MgCl2 and CaCl2. KCl and NaCl didn't form any crystals, they formed a saturated...

Chemistry

I did a project for lab chemistry where my aim was to see which substance, from a selection of 4 chlorides, recrystallises from a solution to form the most crystals. The 4 chlorides were KCl, NaCl, MgCl2 and CaCl2. KCl and NaCl didn't form any crystals, they formed a saturated...

CHemistry

I did a project for lab chemistry where my aim was to see which substance, from a selection of 4 chlorides, recrystallises from a solution to form the most crystals. The 4 chlorides were KCl, NaCl, MgCl2 and CaCl2. KCl and NaCl didn't form any crystals, they formed a saturated...

Math

Need help understanding half-life/decay problem for upcoming test. A water filter is constructed to form a foam that removes 25% of the particulate impurities for each inch of foam. 1.What percentage of the particulate impurities will be removed by a filter consisting of two ...

Computer Programming

Hello, Any help on the following problem would be greatly appreciated. The assignment is done with .java in eclipse. I have a class and a form with a Jlist, 2 text fields to enter the check amount and the ending Balance and a calulate button. I have some aspects working, but ...

maths

Hi, could someone please tell me how I would go about working these out: (the answer must be in the form a(sqroot)b where a and b are integers and b is as small as possible.) 1) Simplify (sqroot)500 2) Simplify (sqroot)50 x (sqroot)60 Also.. Simplify the following fractions so...

Electrochemistry

I have an electrochem based question. I'm trying to solve for E* based on a chart in my book. I know the equation for solving this is E*= E*ox + E*red. The chart in my book gives a list of reactions and a E*red value. My teacher told us that the greater, or more positive, E*...

chemistry

Which factors below affect the rate of a chemical reaction? -Collision frequency -Number of collisions having the least activation energy -Intermolecular orientation -Being Exothermic or Endothermic Also, what formula would I use for this problem: "What is the hydroxide ion ...

Chemistry - URGENT

So, I go to high school in Texas and we have this AP Chem lab due online tomorrow night by midnight and I need some serious help on these questions:   Lab Temp 0.2°C   Experiment Trial Time in seconds Trial 1 Trial 2 Average Time   1 1 2 256 275 268   2 1 2 215 226 ...

government

a custom duty is a tax on a. the making, selling, or using of certain products b. the assets of a person who died c. goods brought into the country from another country b

Physics(check)

17)Under what conditions can an object travel a certain distance and yet its resultant displacement be zero? When the final position is the same as the initial position.

Calculus

A certain radioactive material decays exponetially. The percent, P, of the material left after t years is given by P(t)= 100(1.2)^-t a)Determine the half life of the substance

math

In a certain town, 25% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds against selecting someone who commutes by bibycle? A). 3:1 B). 3:4 C). 1:3 D). 4:1

Algebra 1

y intercept is when x is zero y=3.2 *0 -4 yintercept 0,-4 I am not certain about your remarks on the slope I'm sorry, I was trying to graph the equation and identify the y intercept for y= 3/2x-4. I very much appreciate your help. Thank you.

Physics

A certain car is capable of accelerating at a uniform rate of 0.85m/s2. What is the magnitude of the car's displacement as it accelerates uniformly from a speed of 83km/h to one of 94km/h?

science

a project is lauched upward at an angle of 75 from the horizontal and strikes the ground a certain distance away. For what other angle would it have the same range?

chemistry

A certain volume of a gas at 298k is heated such that its volume and pressure are now four times thier original value. What is the new temperature?

physics

A certain car is capable of accelerating at a uniform rate of 0.82 m/s2. What is the magnitude of the car’s displace- ment as it accelerates uniformly from a speed of 85 km/h to one of 95 km/h? Answer in units of m.

statistics

The weights of certain machine components are normally distributed with a mean of 9.75g and a standard deviation of 0.08g. Find the weights that separate the top 5% and the bottom 5%.

Physics HELP!!

The mass of a certain neutron star is 3.0 1030 kg (1.5 solar masses) and its radius is 7550 m. What is the acceleration of gravity at the surface of this condensed, burned-out star?

physics

The distance between two successive crests of a certain transverse wave is 1.05 m. Eight crests pass a given point along the direction of travel every 17.9 s.

math

a person in a certain family eats 727lbs of fruit and vegetables in a year. What is the average consumption in one day? Use 1 year= 365 days.

Physics

A certain freely falling object requires 1.50 seconds to travel the las 30.0 meters before it hits th ground. From what height above the ground did it fall?

BIOLOGY

An animal has the genotype Cc for a particular trait. If, through meiosis, a certain female produces 100 eggs, how many of these eggs would have the C gene? & PLEASE HELP &

chemistry

Cisplatin, a drug used in the treatment of certain types of cancer has the molecular formula Pt(NH3)2Cl2. How many moles of compound are in 254.09 grams of the compound?

math

find the differential of dy of the given function. y=3x-4sec(2x-1) The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)

physics

a 10kg toy mootorized boat uses 2.0 W of power, has a constant accel from rest and reaches a certain speed in 10 s on a horizontal surface. what was the final speed ?

algebra

a certain mountain has an elevation of 19523 feet. in 1922, the glacier on this peak covered 5 acres. by 2001 this glacier had melted to only 1 acre.

school

A ball thrown vertically upward reaches a certain height and comes down again. What can you say about its kinetic energy at the maximum height?

Math

In a certain culture of bacteria, the rate of increase is proportional to the number present. If there are 10000 at the end of 3hours and 40000 at the end of 5hours,how many were there in yhe beginning?

Chemistry

when a certain amount of calcium chloride (CaCl2) was dissolved 100.g of water, the boiling point rose from 100.0*C to 104.4*C; calculate the molality of this solution.

science

If a scientist wished to to determine the effect of a certain herbicide on wee growth he would include a control in the investigation. Suggest a suitable control in this case.

physics

a certain coiled spring with an unstretched length of 20cm require a force of 2N to stretch it by 0.2cm. What is the work done in stretching it by 2cm. If the elastic limit is nt execeed.

math

Kathy went shopping with a certain amount of money. She spent 1/4 of it on shoes, 1/5 of it on lunch and 78 of it on cloths. She had 21 left. How much money did she have at first.

Math

A certain deck of cards consists of only 10's, Jacks, Queens, and Kings, and is divided up evenly in a 52 card deck. what is the probablity of NOT drawing a jack? HELP ASAP!!!!!!!

CDD

in a certain process, 500 cal of heat are supplied to a system, and at the same time 100 joules of work are done. what is the increase in the internal energy of the system

Thermodynamics

in a certain process, 500 cal of heat are supplied to a system, and at the same time 100 joules of work are done. what is the increase in the internal energy of the system

chemistry

A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium: A. some reactants and products with reactants slightly favored B. essentially all products C. essentially all reactants D. approximately equal reactants and products...

chemistry

A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium: A) approximately equal reactants and products B) some reactants and products with reactants slightly favored C) some reactants and products with products slightly ...

chemistry

for the reaction to generate 2‐phosphoglycerate (2PG) from 3‐phosphoglycerate (3PG, ΔG = 0.83 kJ/mol; ΔGo’ = 4.4 kJ/mol. (R = 8.31 x 10‐3 kJ•K‐1•mol‐1) a)What is the ratio of 3PG:2PG in cells at 37C? I got 5.52 as answer for this ...

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