a certain reaction has the following generaln form

73,436 results, page 82

college

Identify and describe which, if any, of the following creation and consequence situations that Native Americans has faced: Native American Creation: migration, annexation, or colonization Consequences Of Native Americans: extermination, expulsion, secession, segregation, ...

science Please Help Me

5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...

Science Please Help Me

5. Which one of the following is not a cause of anemia? a diet lacking in iron and certain vitamins germs from someone with anemia inherited problems relating to red blood cells. loss of a large amount of blood 6. Which of the following carries blood to every part of the body...

Spanish

I always thought Ustedes meant "they." I've also heard it as "you all (plural)". So when a question being given has the Uds. conjugation of the infinitive, are we suppose to answer back in the Uds. form or nosotros form? For example: A que hora van a salir Uds? (accent on que...

Psychology

Drive theories disagree with incentive theories of motivation with regard to how they answer the following question: a. Are all motivations equally strong or do some take priority over others? b. Are the motivations of humands fundamentally similar to or different from the ...

College Algebra

1. Which of the following best describes how the graph of f can be obtained from the graph of y = 1/x^2? f(x) = 4/x^2 a. vertical stretch by a factor of -4 b. horizontal shift of 4 units to the right c. reflection over the y-axis, vertical shrink by a factor of 4 d. reflection...

chemistry

If 20 mole of potassium react with an excess of lithium sulfate , how many moles of potassium sulfate can you expect to form. porassium phosphate to potassium sulfate: 20 x 2 kaso4 x 174.259 / 212.267 /2 = 16.4188498448 lithium sulfate to potassium sulfate: 62 x 2kaso4 x 174....

science 8th grade

ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________ condense(s) into tiny drops...

Biology -- repost

(To whoever posted the first time -- DO NOT use any tutor's name where YOUR name should be. Impersonation of a tutor is not allowed on this website.) What are the biological terms of the following? 1.Reproductive structure in breadmould 2.acquired immunity obtained through ...

Physics- Newton's 1st and 2nd Law

Please help me :( Briefly explain the following scenario's using Newton's first law. a) Trevor wants to tow Kevin's car with his truck. He attached a small tow rope between the vehicles and leaves the rope slack (loose). Trevor quickly accelerates forwards making the rope ...

Chemistry

I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I ...

Chemistry

I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I ...

Medical Staff Service

i need help on someone one showing me how to set up a proctorship form. for example i need to prepare a form showing how the proctorship process is completed for a surgeon who recently obtained staff privileges instead of doing the surgeon show me a example with the midwife ...

math

a. Suppose a market research company finds that at a price of p = $30, they would sell x = 32 baskets each month. If they lower the price to p = $10, then more people would purchase the baskets, and they can expect to sell x = 52 baskets in a month’s time. Find the equation ...

chemistry

1. Ceramic material made by the sol-gel process involve the reaction of a. water and acids. b. ethanol and water. c. water and metal oxides. d. acids and metal alkoxides. e. water and metal alkoxides. my ans. c 2. The step in the sol-gel process that forms oxygen bridges while...

Economics

Can someone help with the following: I know how to get the MC and AC; however I'm not sure on the algabraic part. Given the following short-run total cost function, answer the following questions. TC = 3q2 + 5q + 300 a. Find the marginal and average cost functions. b. Show ...

FIXED Essay 2.

I know I have to add some specifics to certain areas, could you proofread what I have so far. Who is an American?

science

A substance that loses its shape under certain conditions is called what? A liquid takes the shape of its container.

chemistry

What makes certain inks permanent and others washable? And why does "permanent" ink still dissolve in water.

science

What makes certain inks permanent and others washable? And why does "permanent" ink still dissolve in alcohol?

algebra

A certain population of bacteria doubles every 3 weeks. How long will it take for a population of 3,500 to triple?

physics

The acceleration of a certain rocket is given by a(t)=bt where b is positive constant compute the the instantaneous velocity of the rocket between t=4.5s and 5.5s at t=5.0s if x(t)=0 and b=3.0m/s^3?

college physics

The hour hand on a certain clock is 8.3 cm long. Find the tangential speed of the tip of this hand.

math

in a certain lottery, 3 numbers between 1 and 9 inclusive are drawn. These are the winning numbers. How many different selections are possible?

math

A certain number when divided by 4, 5 or 7 will have a remainder of 3, 4 and 6 respectively. Find the least possible value of the number. ( L.C.M. of 4, 5. 7) -1

Growth Chart

Does anyone know what the stature for age percentiles means? The perecent of people that are this certain height/age in the country??

chemistry

if a certain pressure supports a 256 column of mecury, how high a column of water would it support?

science

monarch butterflies migrate from newyork at a certain time of the year. how migration helps butterflies survive?

Physics

An rms voltage of 120 V produces a maximum current of 2.6 A in a certain resistor.Find the resistance of this resistor?

Math

A certain size bottle holds exactly 4/5 pint of liquid. How many of these bottles can be filled from a 20-pint container?

Math

A certain size bottle holds exactly 4/5 pint of liquid. How many of these bottles can be filled from a 20-pint container?

chemistry

At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0510 g/L. What is the Ksp of this salt at this temperature?

Statistics

A certain lottery has 29 numbers. In how many different ways can 6 of the numbers be selected? Assume that order of selection is not important

US HISTORY

NO ONE KNOWS FOR CERTAIN WHY THE CLASSIC WORLD BEGAN TO DECLINE. GIVE TWO REASONS FOR A REASONABLE DECLINE?

physics

Assuming that the speed of sound at a certain altitude is 330m/s calculate the speed of an airplane that is travelling at (A) mach 0.70

physics

Assuming that the speed of sound at a certain altitude is 330m/s calculate the speed of an airplane that is traveling at match 4.2 ?

maths

At a certain time of the day a post, 4m tall, casts a shadow of 1.8m. What is the angle of elevation of the sun at that time?

Chemistry

#24 At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0660 g/L. What is the Ksp of this salt at this temperature?

Math

If 1 more than a certain number is 3 less than a second number, the larger of these numbers minus the smaller is equal to?

math

Michelle buys 18 oz ofa certain cereal for $1.14. What was the price per pound of the cereal to the nearest cent?

chemistry

if 5.2 grams of bismuth react under certain conditions with 10.0 g of oxygen what is the empirical formula of the bismuth formed

statistics

a study was conducted of all 1849 students in a certain country.whether the value is parameter or statistics

Math

A certain recipe asks for two thirds cups of granola how much do you need to make 1/7 of a recipe

math

a certain number is tripled and then divided by 4. If after subtractiog 16 from the result, one gets 44, the original number is?

arithmetic

on a certain day, the temperature range from -2f to 10f. what is the difference between the high and low temperatures for that day?

chemistry

The density of a certain type of plastic is 0.89 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1.0 cm thick, what is its mass?

Organic Chem

Im not really sure how to begin with this question.. 1. The synthesis of toluene by the aluminum chloride-catalyzed Friedel-Crafts alkylation of benzene is badly complicated by the formation of di-, tri-, and polymethylated benzenes. A simple solution to the synthesis of ...

BIO 1010

1) Which of the following are fossil fuels? a. coal b. limestone c. coral skeleton d. petroleum e. choice a and d are both fossil fuels ANSWER: E 2) Satellite and other scientific data have shown that, over the past several decades, global temperatures have ____ and CO2 levels...

Science

I have a few questions if someone could please help with them: Which of the following is true: A.Relative dating tells us how long ago something existed B.Disconformities are less common but usually far more conspicuous because the strata on either side are essentially C....

to kill a mockingbird

what is the moment where boo radley and miss maudie BRING at reaction from Scout?? i Don't get the questions !!do we have to explain the moment when scout reacts toward to Boo radley and miss maudie? can i answer it like this: the moment where Boo radley bring at reaction from...

Chemistry (2 questions)

1. What kinds of bonds will most likely form from groups 1,2,3,6,7, and 8 on the periodic table? 2. What kinds of bonds will most likely form from group 4 on the periodic table?

math

The largest circular shape my pieced of string can form has a diameter 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form?

Chemistry

I posted this question on Thursday April 12 and received some help..but need more.. thanks Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it...

math

check my answers pls 1. which solid has two bases that are triangles and three lateral surfaces that are rectangles a. triangular pyramid b. rectangular prism c. triangular prism *** d. rectangular pyramid 2. a solid with two parallel and congruent bases cannot be which of the...

geometry

check my answers pls 1. which solid has two bases that are triangles and three lateral surfaces that are rectangles a. triangular pyramid b. rectangular prism c. triangular prism *** d. rectangular pyramid 2. a solid with two parallel and congruent bases cannot be which of the...

PRECALCULUS

convert the polar equation to rectangular form. 1.) r sec(theta) = 3 2.) r = 4 cos(theta) - 4 sin(theta) convert from rectangular equation to polar form. 1.) x^2 + (y-1)^2 = 1 2.) (x-1)^2 + (y+4)^2 = 17

Algebra

I'm trying this again, I'd like the quadratic form, so i can then work the intercepts myself. SO: what's the quadratic form of 1/4(x+3)^2-4 I need it to find the intercepts of the parabola it describes. Check: I think the parabola is 1/4 scaled, moved 3 to the left and down 4 ...

chemistry

1. Chemical reactions may occur when two different molecules collide. The frequency and energy of the collisions determine how many reactions occur. How would you expect that frequency of collisions in a gas to change if the temperature changes from 293 K to 303 K (20°C to 30...

help riemann sums

the expression 1/50 (1/50 +2/50+ 3/50+ .....50/50)is a Reimann sum approximation for (everything in the parantheses is square root except the 1/50 outside the paratheses) the answer has to me the integral form so from looking at the formula in my book i got: 1/50 * integral(...

Spanish 2

I turned these in and my teacher said all my answers were wrong. I'm so confused because when I go through my chapter it says differently.Can someone please help?! A. Supply the correct form of the adjective. 1. rojo Hay una pluma _____ encima de la mesa. 2. alto La chica ...

Math 10- Relations & Functions

1) write the following with two variables: F (x) = 4x - 8 2) Write the following function in notation: C= 14n + 5 3) Fow the following function, F (x) = 8x + 12: a) F (x) = 132 b) F (6)

chem

a) Co(H2O)6^2 + 4 Cl^‐1 (aq) ⇄ CoCl4^‐2 (aq) + 6 H2O (l) Rewrite the net ionic equation above including the energy term where appropriate. The Delta H for this reaction is +50 kJ/mol. b) Silver chloride (AgCl) is a white solid. For the equilibrium reaction ...

chemistry

Suppose you have the following reaction at equilibrium: N2(g) + 3H2(g) = 2NH3(g), ΔH = −22 kcal/mol What changes are expected to occur if the temperature of the system was decreased. You may select multiple answers. The concentration of NH3(g) would decrease The ...

AP chemistry! Please Help

Consider the reaction of peroxydisulfate ion (S2O82-) with iodide ion (I -) in aqueous solution. S2O82-(aq) + 3 I -(aq) ¨ 2 SO42-(aq) + I3-(aq) At a particular temperature, the rate of disappearance of S2O82- varies with reactant concentrations in the following manner. ...

Wriitng

What would be the reaction of a teenage daughter after rescuing her parents after their kidnap? so this is for a story I'm writing. basically, my main character finds her parents and is finally there after a lot of hard work and struggle. she's seen a lot of things she wished ...

chemistry

How does an ionic bond form between zinc and oxygen? Zn has two electrons in its outside shell and wants to lose those two. Oxygen has six electrons in its outside shell and wants eight; therefore, oxygen takes the two electrons form Zn making the Zn with a +2 charge and ...

English

1. My hobby is chatting in a chat room. 2. My hobby is chatting in chat rooms. ------------------------------ Which one is the better of the two? Do we have to use a singuglar form or a plural form? 3. My favorite food is noodle. 4. My favorite food is noodles. 5. My favorite ...

Chemistry

This has to do with the reactivity series for metals (K,Na,Ca,Mg,Al,Zn,Fe,Pb,Cu,Au,Ag) Which metal is most likely to undergo the conversion M(s)->M(n+)(aq)+ne- What type of reaction is this?-oxidation ? Which metal ion is most likely to undergo the conversion M(n+)(aq)+ne...

Chemistry

1. Write the balanced equation. Use ONLY this equation to reference how the reactions below will shift. Consider whether there is an addition, a removal, or no effect to the reaction. Co(H2O)6^2+ + 4Cl^- <--> CoCl4^2- + 6H2O 2. Write the equilibrium expression for the ...

english

One of the two passages below follows the old-new contract. Identify it. I think it is passage one can anyone help verify if I am correct 1. The old/new contract is another principle for writing clear closed-form prose. Beginning your sentences with something old – something...

Chem

Butane, C4H10, is widely used as a fuel for disposable lighters. When one mole of butane is burned in oxygen, carbon dioxide and steam are formed and 2658 kJ of heat is evolved. a) Write the thermochemical equation for the reaction. First I wrote the chemical equation for the ...

Calorimetry

A calorimeter contains 21.0 mL of water at 12.0 degress Celsius. When 2.40g of X (a substance with a molar mass of 50.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l) --> X (aq) and the temperature of the solution increases to 29.5 degress celsius. Calculate ...

Chemistry II (College)

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) (a) What will be the partial pressure of (CH3)2O(g...

chemistry

I had to do this online lab and have a total of 8 questions at the end and I am stuck half way through. Can someone please walk me through the last few question? Here is the Lab and my homework: In this experiment, we will determine the heat of reaction for a neutralization ...

chemistry

I want to make sure I am correct in classifying whether the following properties of hydrogen are chemical or physical. thanks 1. hydrogen will burN in in oxygen to form water. CHEMICAL 2. hydrogen does not support combustion. CHEMICAL 3.hydrogen is usually found combined with ...

L.A

Read the following stage directions and dialouge from billy Elliot: [Billy suddenly sees DAD and freezes. His reaction puzzles Mrs. Wilkinson for a second. The music comes to a standstill. Mrs. Wilkinson turns to see Dad.] DAD: You.Out.Now What do these directions and dialouge...

biochemistry

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? b)Considering your result, is ...

chemistery

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? b)Considering your result, is ...

CHEMISTRY

Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at temperatures exceeding 66∘ C. The figure below shows how the rate of reaction varies with the concentration of UrO2 at 75∘ C. The rate r is in units...

chemistry

Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at temperatures exceeding 66∘ C. The figure below shows how the rate of reaction varies with the concentration of UrO2 at 75∘ C. The rate r is in units...

calculus

Sorry to post this again, but I am still unable to understand it and need help. Please help.1) Using 3(x-3)(x^2-6x+23)^2 as the answer to differentiating f(x)=(x^2-6x+23)^3/2, which I have been able to do, I need to find the general solution of the differential equation dy/dx...

Philosophy

The following argument appeared in the draft of a bill before the Louisiana State Legislature in 2001: Whereas, the writings of Charles Darwin, the father of evolution, promoted the justification of racism, and his books On the Origin of Species and The Descent of Man ...

Philosophy

The following argument appeared in the draft of a bill before the Louisiana State Legislature in 2001: Whereas, the writings of Charles Darwin, the father of evolution, promoted the justification of racism, and his books On the Origin of Species and The Descent of Man ...

Chem

1) Mg + F2 = MgF2 10.00 grams of magnesium reacted with fluorine to produce MgF2 Find : a) Balance the reaction b) How many grams of fluorine reacted with magnesium. Answer:____________ c) How many grams of MgF2 were formed in the reaction. Answer:____________

ALGEBRA

Do I place the following two equations on the same line as they both represent the same lines. Pleas show. Thanks much. 3x-2y=8 6x+4y=16 I am sorry I am not too big on graphing. no they are not the same line. because if you had reduced 6x+4y=16---> you would get 3x+2y=8 ...

Chemistry

Back again with another problem :) How do you calculate the enthalpy change, in kJ/mol for the reaction of copper(II) sulfate? 0.0210 mol of copper sulfate was added to 25 cm3 of water. The temperature increased by 14°C. The specific heat capacity of water is 4.18 J k-1 g-1 ...

American gov

16. What ruling did the Supreme Court make regarding flag burning in Texas v. Johnson? (1 point) It is legal to burn flags other than the U.S. flag, but burning an American flag is not free speech because it affects public morale. Burning any sort of flag is a form of ...

World History Honors

What exactly is this assignment asking me to do? lol i don't get the "dig" part. i actually don't understand anything. ------------------------------------ Write a 550-word comparative “dig”—named for digging further into one of the following subjects that we have ...

science help PLS

When Jane visits a beach, she notices a sea stack has formed offshore. Which of the following best describes what caused the sea stack to form? Erosion hollowed out the rock in a seaside cliff. Deposition moved sand from the beach into an offshore pile. A large number of ...

Algebra one, help me please?

Okay so, I have to write an equation in standard form, of a line that passes through the given point and has the given slope, ( M) or that passes through the given points. Heres what I think: 1)( 4,-1) M= 3 So, it's in y=3x+B and then, I would plug in -1 for y, and 4 for x. So...

Chem

Calculate ΔG at 25°C for the precipitation of lead(II) chloride from mixing 100. mL of 0.025 M lead(II) nitrate solution with 100. mL of 0.15 M sodium chloride solution. The ΔG° for the reaction at 25°C = −27.36 kJ/mol. (Hint: write out reaction equation...

Environmental Science

Here is a sentence that says: In bodies of water polluted by phosphorus, algae can form large floating mats, called algal blooms. What substance causes an alfal bloom to form? (I don't understand the sentence) That's "algal bloom" See: http://en.wikipedia.org/wiki/Algal_bloom

Chemistry

One mole of carbon (12.0 g) in the form of crystalline graphite is burned at 25 ◦ C and 1.000 atm pressure to form CO2(g). All of the heat produced is used to heat a 4560 g bath of liquid water, originally at 25 ◦ C. What is the final temperature of the water...

chemistry

Consider an electrochemical cell based on the reaction: 2H+(aq) + Sn(s) = Sn2+(aq) + H2(g). Which of the following actions would NOT change the measured cell potential? lowering the pH in the cathode compartment addition of more tin metal to the anode compartment any of the ...

chemistry

Consider an electrochemical cell based on the reaction: 2H+(aq) + Sn(s) = Sn2+(aq) + H2(g). Which of the following actions would NOT change the measured cell potential? lowering the pH in the cathode compartment addition of more tin metal to the anode compartment any of the ...

Social Studies

Which of the following statements best describes a federal system of government? Independent states form an alliance and give up clearly defined and limited powers to a national government. The national government holds all power, creating and abolishing local governments as ...

math - slope-intercept

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...

Chemistry

Consider the following reaction AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq) DH = -66 kJ Suppose that 100.0 mL of 0.100M AgNO3 is added to 200.0 mL of 0.100 M NaCl in a coffee cup calorimeter. Assuming that the initial temperature of the solution is 25.000C calculate ...

science(chem)

If these compounds are shaken in a test tube for 10-20 sec will they form a miscible (1 layer) or immisible (form 2 layers)? a) water and ethyl alcohol miscible b)water and dimethyl ether miscible c)water and methylene chloride immisible d)water and hexane immisible e)Hexane ...

Psycholofgy (Please Help)

Social influence ranges in intensity from the gentlest form _______, which involves changing one's behavior just because other people are nearby, to the strongest form _______, which involves changing one's behavior because you are forced to. I choose C a. mere presence; ...

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