a certain reaction has the following generaln form

72,094 results, page 97

math116

I really need help i am so stuck i can not figure this out we are trying to find the slopes here is an example of what i am doing i get everything all theway till a certain point example: (-4,9);2x=5y+6 the answer is 2/5x+53/5 but i don't know how they came up with 53 that is ...

accounting

Write a 700-word paper answering Question 2 in Ch. 24. Explain the need for full disclosure in financial reporting. Identify possible consequences of failing to properly disclose certain items in financial statements.

Physics

A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away. 0 1.5 2.7 4 6.0 12.0 16.0 30000

HEALTH

In striving to meet the 2010 Dietary Guidelines for Americans, one should consume more of certain foods and nutrients such as ________. A. Fruits B. Carbohydrates C. Energy drinks D. Breads i think its Fruits :)

Stat Help Please

A linear model can be used to describe the relationship between fuel economy(mpg) and horsepower (hp) for certain automobile models. mpg=46.868-0.0838 hp R^2=75.5% 1) Give the symbol and the value of the correlation coefficient.

Math

The marks obtained by a number of students in a certain subject are approximately normally distributed with mean 65 and standard deviation 5. If 3 students are selected at random from this group, what is the probability that at least 1 of them would have scored above 75

Chemistry

I want to see if i got my answer correct for #1 but I need help on #2 1.A 150g aluminum pan containing 500g of water is heated on a stove for 5 minutes. The temperature goes from 23.5C to 48.9C. How much heat was absorbed. (s for Al is .900j/g C, s for H2O is 4.184 j/g C) I ...

Chem

I want to see if i got my answer correct for #1 but I need help on #2 1.A 150g aluminum pan containing 500g of water is heated on a stove for 5 minutes. The temperature goes from 23.5C to 48.9C. How much heat was absorbed. (s for Al is .900j/g C, s for H2O is 4.184 j/g C) I ...

Universe and the Stars-Please Check

Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to be more evolved than ...

College Physics

A certain transverse wave is described by the equation y(x,t) = (6.50 mm)sin2pi((t/0.0360 s)-(x/0.280m)) Determine the wave's (a) amplitude (b) wavelength (c) frequency (d) speed of propagation and (e) direction of propagation

Physics

The launching speed of a certain projectile is 6.4 times the speed it has at its maximum height. Calculate the elevation angle at launching. I have noo idea how to start this one. Please help!

math

At a certain range of depths, the temperature of Earth's interior, in degrees Celsius, is expressed as 10d+20, where d is the depth in kilometres. Determine the temperature at a depth of 15km. I really don't get this, plz help!

chemistry

even every air can be changed in to liquid at certain pressure and temperature, why our earth tend to change water at gaseous state to liquid state and by what conditions?

math

You are a manufacturer of a certain item. You’ve calculated that you can sell 80 of these items for $5 each and you can sell 60 of these items for $8 each. Assuming this relationship is linear, write an equation that relates cost to the number of watches you make

physics

Consider an airplane with a total wing surface of 90 m^2. At a certain speed the difference in air pressure below and above the wings is 4.2% of atmospheric pressure. Find the lift on the airplane.

physics

4 Consider an airplane with a total wing surface of 90 m^2. At a certain speed the difference in air pressure below and above the wings is 4.2% of atmospheric pressure. Find the lift on the airplane.

physics

Consider an airplane with a total wing surface of 90 m^2. At a certain speed the difference in air pressure below and above the wings is 4.2% of atmospheric pressure. Find the lift on the airplane.

Physics

A certain radio station broadcasts at 1430 kilohertz. This is the frequency of oscillation of electrons in the transmitting antenna producing the radio wave. Find the period of the electrons' motion.

science

although each place on earth has its own climate,they can be grouped based on certain overall characteristics.what are the keys factors that scientist use to determine the climate of a particular place

math

If shipping charges to certain point 62 cents for the first five ounces and 8 cents for each additional ounce, the weight of a package, in pounds, for which the charges are $1.66 is not just an answer please A.7/8 B.1 C.1 1/8 D.1 1/4 E.1 1/2

math

A certain ball is dropped from an altitude of 1 meter and rebounds one-half of it's previous altitude. What is the total distance the ball has traveled when it hits the floor the 40th time?

BUSINESS

1. Tailor your business to aim your product or service at a certain group of customers, who are called the A. primary target market. B. focus group. C. demographic grouping. D. research base. A?

physics

22. On the surface of a certain planet, there is one unit of gravitational force exerted on every 0.4 units of mass. The gravitational field strength on this planet has numerical value A. 0.4 B. 2.5 C. 1.6 D. 1 C.1.6 is wrong

math

the mean weigh of 500 male students at a certain college is 151 lb , and the standard deviation is 15 lb. assuming that the weights are normally distributed , how many students weigh more then 181 lb.

jokens

A sphere with a charge of 1.5 x 10-6 C experiences a force of 3.5 x 102 N when it is located at a certain point in an electric field. Determine the magnitude of the electric field intensity at this location. (remember E = Fon q' / q', and 1 µC = 1.00 x 10-6 C

Physics

Assume that a certain city consumes electrical energy at an average rate of 2.0× 10^9 W. What would be the mass change in producing enough energy to keep this city running for 21 weeks?

physics

The position versus time for a certain object moving along the x-axis is shown. The object’s initial position is −2 m. Find the instantaneous velocity at 6 s. Answer in units of m/s

chem 15

A bottle of a certain ceramic tile cleanser, which is essentially a solution of hydrogen chloride, contains 130 g of HCl and 750 g of water. What is the percent by mass of HCl in this cleanser?

Math

A car rental agency charges $44.12 per day plus mile for a certain type of car How much is the rental charge for a 3 days trip of 605 miles?

physics

A 6.4 cm diameter horizontal pipe gradually narrows to 5.2 cm . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 20.2 kPa , respectively

Healthcare Management

_______ statement is a statement about where the organization's leadership sees the organization going within a certain period of time. A. vision B. goal C. strategic D. mission A

Chemistry

So I am writing a lab report and Im stuck with calculating the enthalpy change of combustion of the following reaction: Mg+2HCl--> MgCl2+H2 .I am given the mass of Mg which is 5g and the concentration of HCl which is 2M and the volume of HCl which is 50 cm^3.I found the ...

chemistry

Hydrogen gas can produced by the reaction between metallic aluminum and aqueous hydrochloric acid 2Al+6HCl----2AlCl3+3H2 Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes saturated with water vapor...

english

1-Natue is in top form in this stunning spot. 2-I enjoy nature on a weekend hike and even in my backyard. 3-This is a place of still water, of slow moving fish called koi, and of great green trees. 4-Perhaps you have already guessed the place. 5-I have in mind. 6-It's the koi ...

physics

Which of the following is correct for the nuclear fission reaction? Choose one answer. a. The mass of the daughter nucleus is always greater than the mass of the parent nucleus. b. The mass of the daughter nucleus is always less than the mass of the parent nucleus. c. The mass...

Work Experience

To do work experience, do you have to be a certain age? Any sites anyone could recommend?

Math

Suppose the supply and demand for a certain videotape are given by: supply: p=1/3q^2; demand: p=-1/3q^2+48

math

if 89,88,45,9,33, drawn in order,in certain lotto,from 1-90 numbers next drawn numbers will be what

Geography

What is the time and day at a certain place on 60°w longitude when it is 5:30 am on friday at a place 90 ° E longitude ?

algebra

Write all of the following statement(s) that apply to the following polynomial: x2 – 9x + 3 It is a binomial. It can be evaluated at x = It has a coefficient of 9. It is quadratic.

Algorithms

Arrange the following functions in increasing order of growth rate (with g(n) following f(n) in your list if and only if f(n)=O(g(n))). a)2^2^n b)2^n^2 c)n^2 * log(n) d)n e)n^2^n

Calculus

Which of the following would be the best first step when solving the following system using the substitution method? x - y = -4 ; x + 2y = 5 a. x = -4 - y b. x = -4 + y c. 2y = 5 - x d. 2y = 5 + x

Chem

A carless chemistry student pours 200 grams of methanol, a flammable substance into the sink. Another careless chemistry student causes the bad situation to get even worse by dropping a lit match into the sink. The metanol burns completely with 300 grams of oxygen from the air...

English

Can you please check these sentences for me? Thank you very much. 1)Nature is personified. 2)The humans (or people, human beings) don't have time to observe her beauty as cows an sheep do. 3) We don't have time to turn at Beauty's glance and see how her feet can dance. 4) The ...

chemsitry

acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous aspirin at body temperature (Ka at 37 C = 3.6 x 10-4) is this correct? initial concentration is 0.040 M. let change in concentration to equilibrium ...

chemistry

acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous aspirin at body temperature (Ka at 37 C = 3.6 x 10-4) is this correct? initial concentration is 0.040 M. let change in concentration to equilibrium ...

biology

I have some questions that relate to table 2.1 which lists the chemical elements that occur naturally in the human body. Similar percentages of these elements are found in most living organisms. a. In what abiotic (non-life) chemical forms are these elements often found in ...

English

Here are some sentences on Shakespeare I'd like you to check. Thank you. 1)It is difficult to date Shakespeare's plays because only half of them were printed during his lifetime. Three kinds of evidence are used (?) to date his plays. 2) The most valuable is the external one, ...

ACC 105

Employee Form W-2 Information Roach, Kelly Volpe, Ralph Myer, Randi Ford, Kenneth Carmen, Chrissy Zuber, Hal 1. Wages, tips, other compensation 2. Federal income tax withheld 3. Social security wages 4. Social security taxes withheld 5. Medicare wages and tips 6. Medicare tax ...

Chemistry

Would a substance that does not form hydrogen bonds have a high or low surface tension? What about vapor pressure, specific heat,heat of vaporization or boiling point? It requires extra energy to break hydrogen bonds so a substance that does not form H bonding can evaporate ...

water vapor

When the weather is hot, and the inside of the house is cold, why do droplets of water form on the windows? Do they form on the outside or inside of the windows? Thanks. Water droplets form because of condensation. Here is a site that that talks about that. Actually, I have ...

Chemistry

Dr.Bobb222 please help balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) (a) NO3−(aq) + Pb(s) &#...

chemistry

Determine whether ∆H is equal to, greater than, or less than ∆U for the following reactions. Keep in mind that “greater than” means more positive or less negative, and “less than” means less positive or more negative. Assume that the only significant change...

English

1.Mom always (____) her glasses down somewhere and then can't find them. 2.No one could believe that Carol had been (___) near the dog the entire time. Use correct form of sit or set 1.sets 2.sitting 1.My grades have (----) a little each semester. 2.My father jokes that he (...

Fitness And Nurition

Greetings! I did my homework, but I don't know if my answers are right or not. I wanted to know if you can help. My answers will be with a * beside it. 1. Which one of the following choices is a mental symptom of distress? A. Memory loss B. High self-esteem C. Hallucinations *...

English

In the poem "Dream Deferred" by Langston Hughes, what does the term "dream deferred" mean? Also, in the US, what are some groups that have been exposed to predjudice? I have some: African Americans, immigrants Can anyone think of any others Any dream that people put off ...

Algebra

- ok... we keep getting this one wrong: Solve the following equation for x. Write your answer as a fraction in simplest form. -6(x-5)=-2x-8-6(3x-5) What is it you don't understand about this? Clear the parentheses, combine terms, solve for x. Ive been doing that but i keep ...

chemistry

A STUDENT STUDYING THE FE+3- HSCN equilibrium put into a test tube 10.00ml of 2.00 x 10-3 M Fe(NO3)3 with 10.0 mL of 2.00 x 10-3 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the equilibrium ...

English

I forgot to include these very few lines. Thank you very much for helping me. 1) Anyone who doesn't know the difference between opposites must be associated with evil. 2) We undestand that the witches have the power of knowing something about the future for they are able to ...

geography

1. Which of the following problems is not a result of Egypt's growing population? A overcrowded cities B emigration of educated professionals to other countries C a diminishing food supply D widespread unemployment Is it D? 2. What is a major reason for the failure of West ...

Chemistry

how many electrons take part in redox reaction: Cl2 -> ClO3^-

ap chemistry

What product is formed by this reaction: H2 + (CH)2 Answered the original post below.

Science

Chemistry: What is the general formula for a chemical reaction? reactants >> products

chemistry

what is the net ionic reaction for coppper(II)chloride and sodium hydroxide?

chemistry

At 1100 K, Kp = 0.25 for the reaction 2SO2(g) + O2(g) equilibrium with 2SO3(g) What is the value of Kc at this temperature?

for Drbob222

how do I calculate pressure exerted by H2 in a Mg and HCl reaction? (weighing by redox)

chem

2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H° for this reaction. kJ

chemistry

Why doesn't the hydrogen produced in the Lithium/water reaction catch fire?

chemistry

If the reaction is zero order, how long would it take for I2 disappear?

chemistry

What is the mass of hydrogen produced from the reaction of 2.31 grams of HCl with magnesium?

Gen Chem

Can the rate of a nuclear reaction be changed by an increase of temperature?

chemistry

What functional group(s) must be present in a monomer of a condensation reaction?

chemistry

What functional group(s) must be present in a monomer of a condensation reaction?

chem

What functional group(s) must be present in a monomer of a condensation reaction.

Biology

Describe how you can achieve negative free energy in a chemical reaction.

History

why were the British so surprised by the American Patriots reaction to the Stamp Act?

chemistry

how do i balance Cu+O2 arrow(i don't know how to make one)CuO. And what is the reaction type.

organic chemistry

what is the first and second step in a alkene halogenation reaction

science

what is the difference between a chemical reaction ans physical separation.

science, biology

what evidence shows that the burning of methane is a chemical reaction?

science

hi can someone please help me What is the chemical reaction mechanism of ozone depletion thank you

chemistry

What does it mean when the sulfuric acid is written ABOVE the arrow in a reaction?

Chemistry

Does Sodium and potassium react with steam? Or is the reaction too violent to speak of?

chemistry

I wanted to know that in a chemical reaction are the products part of the system or surrounding?

Psychology

How could having a Type A personality affect a person’s reaction to stress?

chemistry

write the reaction for the neutralization of nitric acid with calcium hydroxide.

Chemistry

What type of bond is formed in the reaction 4Fe(s)+3O2(g)? Rust?

Chemistry

Here is a chemical reaction Fe + O2--> Fe2+O3 what was Antonie Lavoiser rusting?

Chem

How does the collision model explain the ffect of concentration on the reaction rate?

Chem

How does the collision model explain the ffect of concentration on the reaction rate?

chemistry

What is a complete ionic equation for the reaction between Pb(NO3)2 and NaI?

chemistry

what is the product of reaction K3(Al(C2O4)3).3H2O with KMnO4 in the present of H2SO4?

college chemistry

How do you calculate delta[S2O8 2-] in iodine clock reaction?

chemistry

According to this chemical reaction, which is the number of grams of Fe produce from 14 moles of H2?

chem

what is the major product of this reaction CH2=CH-CH2CH3+H2O H2SO4

science

what will happen if you increase the surface area of a solid in a chemical reaction?

College Chemistry

Quick Question - For a spontaneous reaction, ΔS°>0 and K >1. Is this always?

7th grade chemistry

how is calcium sulfate is prepared?what is the chemical reaction of this.

Chemistry

What is the product of a grignard reaction of bromotoluene and co2 as starting materials?

Chemistry

Write a balanced chemical reaction showing how the 4.99 g Sn dissolves in HNO3.

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