a certain reaction has the following generaln form

72,877 results, page 98

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

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 ...

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 ...

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 ?

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...

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...

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

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, ...

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 ...

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 ...

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) &#...

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 ...

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 ...

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...

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 ...

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 ...

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 *...

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 ...

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 ...

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 ...

physics

The current-density magnitude in a certain cicular wire is J= (2.75*10^10A/m^4)r^, where r is the radial distance out to the wire 's radius of 3.00 mm. The potential applied to the wire is 60.0 V. how much energy is converted to thermal enery in 2 hours?

MATH Albera

Sales at a certain department store follow the model where y is the total sales in thousands of dollars and x is the number of years after 2001. What was the first year that sales fell below $50,000?

science

Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star. B. They are all white dwarfs C. They become dimmer at regular intervals. D. They are cool red stars. Is the answer C?

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.

Chem Help

What is the heat of reaction when 4 moles of carbon monnozide are buened in oxygen?

chem 11

write the balanced equation for the electrolysis of water. What type of reaction is this?

chemistry

Any reaction that absorbs 150 kcal of energy can be classified as ________.

chemistry

write a balanced equation for the reaction of aluminum with platinum and chloride.

chemistry

write the balanced net ionic equation for this reaction Ba(OH)2+HCL-->

chemistry

express liquid pentanol and gaseous oxygen as a chemical reaction

chemistry prt 2

What is the net ionic equation of the reaction of MgCl2 with NaOH

chemistry prt 3

What is the net ionic equation of the reaction of MgSO4 with NaOH

chemistry

What ions separate once added to water and how did the reaction occur?

chemistry

What ions separate once added to water and how did the reaction occur?

chemistry

What ions separate once added to water and how did the reaction occur?

ap chem

What volume of 5M HF will 4g Ca react completely according to the reaction Ca+2HF-->O+CaF2+H2

Chemistry

What is undergoing oxidation in the redox reaction represented by Fe Fe3+ Cl2 Cl- Pt

chemistry

DETERMINE the enthalpy for the reaction CH4(g)+NH3(g)->HCN(g)+3H2(g)

Chemistry

Calculate the change in heat for the reaction SO2 + 1/2O2 --> SO3

Chemistry

Calculate the standard enthalpy change of the reaction ClO(g)+O3->ClO2(g)+O2(g)

Chemistry

Why does sulfric acid make the electrolysis reaction of H2 and O2 go more rapidly?

Chemistry

What kind of reaction is it when the reactants produce carbon dioxide and water

Help

Fibrin is produced when the blood components called what start chain reaction

biology

how is it possible for an enzyne to lower the required energy of activation for a reaction.

science

when a liquid wax is turned into a solid is it a chemical reaction?

chemistry

what is the numerical value of the equilibrium constant Kgoal for the reaction CO2(g) C(s) +O2(g)

SCIENCE

What are the products of a chemical reaction involving NaCl, HNO3, and AgNO3?

chemistry

If a car produces 88g of CO2, how many grams of O2 are used up in the reaction?

chemistry

write balanced equation of the reaction of bromine and sodium thiosulfate

chemistry

what is the net ionic equation, including phases, for the reaction of AgNO3 with Ba(OH)2

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