a certain reaction has the following generaln form

72,094 results, page 95

chem 2

calculate kc for reaction I2 (g)+Cl2 (g)⇌2ICl(g )Kp=81.9 (at 298 K)

chemistry

what is the chemical reaction of camphor and coca cola drink

Chemistry

For the reaction Zn(OH)2(s)+4CN-(aq)->Zn(CN)4 2-(aq)+2OH-(aq) find [CN-] when 8.5 g of Zn(OH)2 are dissolved in 1.00 L of solution.

bio

How is the oxygen production in 30 seconds related to the rate of the reaction?

bio

How is the oxygen production in 30 seconds related to the rate of the reaction?

Chemistry

What is the reaction between methanol and ethanoic acid when heated?

Science

Classify reaction as addition, displacement, or decomposition: Al(s)+NaOH(aq)=Al(OH)3(s)+Na+(aq)

science

explain the Eutectic and Eutectoid reaction in cast irons

Chemistry

In the. Reaction (Na2co3+CaCl2-->2NaCl+caco3) The precipitate is :

CHEMISTRY

WHICH IS LIMITING REAGENT IN FOLLOEING REACTION 3Mg +N2 =Mg3N2

Science

how is energy produced during a nuclear fusion reaction?

chemistry

C+HNO3=H2CO3+H2O+NO2 which type of reaction is it.

biology

does dark reaction helps in transmittance and conservation of energy

chemistry

ferus amonium sulphate reaction with sulphuric acid

Science

What Type of Simple Chemical Reaction Occurs in Fireworks?

O-Chem

What stereoisomers would be created by the reaction of (Z)- stilbene with bromine?

Chemistry

How many atoms of iron will be produced from the reaction of 50 g of hematite and 25 g of carbon?

PLEASE CHEM

balance the redox reaction NO2^- + Ag^+ = NO3^- + Ag

chemistry

For the reaction: 2SO2(g) + O2(g) = 2SO3(g) conducted at 25°C and 1 atm. Calculate H°, S°, G°

chemistry

What is the equation that represents the reaction of esterification of crystal violet? Thanks

Science

Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?

science

the spectator ions of all substance that are soluble of the reaction

chemistry

1. In the reaction 2Ca(s) + O2(g) → 2CaO(s), which species is oxidized?

Chemistry

how can magnesium chloride be lost in a reaction and how can we ensure that it is pure?

Chemistry

What is the equation for the reaction between stearic acid and ammonia?

chemistry

what mass of excess reactant remians when the reaction is completed?

General chemistry i

Is this a redox reaction? 4Cr+3O2 -> 2Cr2O3

Chemistry

what type of reaction occurs in Al+SnCl4 ? and what is the balanced equation

science

Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?

Chemistry

How do i figure out if 2NO2 -> N2O4 is a redox reaction

chem

what mass of Cl2 is produced from the reaction of 665 g of Hal

Science

What happens to energy and matter during a chemical reaction?

Chemistry

Using benzene as an example to illustrate substitution reaction

Chemistry

How much heat is produced by the complete reaction of 5.29 kg of nitromethane?

chemistry

How to solve CoCl2+HO2- ------> Co(OH)3+ Cl- by half reaction method

science

Write an equation to show reaction of pop with water

science

Torque due to action-reaction force is zero?

chemistry

When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K

science

When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K

ap chemistry

When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K

Chemistry

When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K

chemistry

complete the equation for the reaction of the soap with magnesium chloride

Chemistry

When We Balance Equations In Chemical Reaction,we Are Obeying The Law Of

History

What was king george's reaction to the boston tea party?

Chemistry

Writing balanced chemical reaction of K2CO3 (s) and HCl (aq) ???

science

writing balanced chemical reaction of K2CO3 (s) with HCl (aq)??

Chemistry

Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

Chemistry

Calculate the amount of H2 produced from the reaction of 4.25 grams Zn and 25 ml of 3.0 M HCL.

chemistry

How to prove that sodium hydroxide is a base with the help of an equation for the reaction

Chemistry

Does LiAlH4 perform any kind of a reaction with a triple bond?

English

At night, the two necklaces are kept together in the safe on the second floor. (situation: after one necklace was stolen.) (What is the active form of this passive sentence between the following?) 1. At night, I keep the two necklaces together in the safe on the second floor. ...

English - Native speakers

Thank you for all your help till now! Another questions: Can you please paraphrase the following sentence because I just don't get the meaning of it: In the same interview, she cited her lifelong acquaintance with fear as the reason for her relative fearlessness in deciding to...

Science

Humidity is the amount of water vapor in the air at a given time. At warm temperatures, air can hold more moisture than it can at cold temperatures. Relative humidity is the amount of vapor the air is holding expressed as a percentage of the amount the air is capable of ...

Physics

which of the following is NOT true about the path of a cannon ball launched horizontally from the earth's surface if air resistance is neglected? a. the cannnonball has a uniform horizontal velocity b.the total velocity of the cannon ball increases as a function of time c.the ...

PHI 103 Informal Logic

Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use some other symbol you...

Chemistry-Bonding

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). a.) O with F _________ b.) Ca with Cl __________ c.) Na with Na _________ d.) U with Cl __________ First, I do...

Science Help Plzz

1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long wavelength and low frequency...

Chemistry

Consider each of the following reactions and decide whether the standard entropy change for the reaction will be, (a) Positive; or (b) Very close to Zero; or (c) Negative. Matching pairs N2 (g) + 3 H2 (g) = 2 NH3 (g) Mg (s) + CO2 (g) = MgO (s) + CO (g) C6H12O6 (s) + 6 O2 (g...

physics

Tarzan, who weighs 780 N, swings from a cliff at the end of a 12.0 m vine that hangs from a high tree limb and initially makes an angle of 49.0° with the vertical. Assume that an x axis extends horizontally away from the cliff edge and a y axis extends upward. Immediately ...

Biochem

What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions? Condition: A cell-free yeast extract is placed in a solution that contains 3.50 × 102 mmol glucose, 0.30 mmol ADP, 0.30 mmol Pi, 0.60 mmol ATP, 0.20 mmol...

Biology Chemistry Part

I'm trying to calculated the rate of reaction In this lab I took a 50 mL beaker and poured in 10 ml of cold distilled water into it, I then poured in 30 ml of original enzyme solution (I believed we used cold potato juice or something), I then took a piece of paper and placed ...

6th grade math quiz

1. Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and spinning a four-colored spinner (red, blue, green, and yellow)? A. H-red, H-blue, H-green, H-yellow, T-yellow, T-green, T-blue, T-red B. H-red, T-red, H- blue, T-blue, H-...

Physics check

A certain radioactive isotope has a half-life of one hour. At noon, 100g of the material is present. How much of the original isotope will be present at 3:00 p.m.----1/8 6:00 p.m.-----1/16 10:00 p.m.-----1/32 Are these correct?

Evaluating elasticity

The demand function for a certain item is x = 35(sqrt(32-p^2)) ---Evaluate the elasticity at 5. E(5)= I don't know how to find elasticity, so i don't know how to start this problem. If someone could explain elasticity i think that i could figure it out.

Physics

There is an electric field in a certain region that is defined as E=axihat, a is N/C and x is defined by the position in meters. What is the volume charge density in the region. So far I did 32p=(32)(8.85*10^-12) I got 3.54*10^-10, where did I go wrong?

Aged College Student

The dosage of a certain medication is 1/4 ounce for every 50 pounds of body weight. How many ounces of this medication are required for a person who weighs 175 pounds?

Question about the board

I am looking at many questions that just have 2 or 3 words to them and responses that talk about fixing certain paragraphs. Am I missing something or is the board messing up?

physics II

A certain material is in a room at 27°C. If the absolute temperature (K) of the material is tripled, its resistance doubles. (Water freezes at 273 K.) What is the value for alpha (a) the temperature coefficient of resistivity?

Math

I have a work sheet on probabilities. IMPOSSIBLE (0) UNLIKELY (1/4) EQUALLY LIKELY (1/2) LIKELY (3/4) CERTAIN (1) I have to write at least two things under each listed, and I don't know how to do this

Social Civics

Today a worker's right strike A. cannot be limited in any way B. is not legally reconized under any circumstance C. can be limited by injunction under certain circumstances D. none of these

Critical Reading

An argument is a message that is being sent with the purpose of persuading us to accept certain information true or false. I would say true. Would that be right?Thank you!

statistics

The table below shows the number of girls who ran certain distance. -------------|---|----|---|----|----|--Distance(Km) | 5 | 10 |15 | 20 | 25 | -------------|---|----|---|----|----|--No. of girls | 2 | 1 | 3 | 4 | X | -------------|---|----|---|----|----|-- Given that the ...

chemistry

A certain substance has a heat vaporization of 47.97 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 297K? Please help me! I don't understand heat vaporization questions

College Algebra

The number of Mosquitoes M9x), in millions, in a certain area depends on the June rainfall x, in inches:M(x)=19x-x^2. What rainfall produces the maximum number of mosquitos?

Biology

Some genes are said to be “linked”. Explain this term and the implications it has as to the inheritance of certain traits. Provide 2 (human) examples of linked genes? PLEASE HELP ITS A REQUEST

Math

A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and be certain that you have three of the same color?

math

A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and be certain that you have three of the same color?

Mathematics

A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and be certain that you have three of the same color?

Mathematics

A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and be certain that you have three of the same color?

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

7th grade math

how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself not sure what to do...

Philosophy

Are humans "blank slates" when they enter this world or do we as humans come into the world with certain truths or idea (whether logical, mathematical, scientific, or moral)?

physics

the tires of a certain car begin to lose their grip on the pavement at acceleration of 5 m/s to the power of 2 if the car has this acceleration , how many seconds does it required reaching a speed of 25 m/s starting from 10 m/s?. Please help me

CHEMISTRY

If He(g) has an average kinetic energy of 4190 J/mol under certain conditions, what is the root mean square speed of Cl2(g) molecules under the same conditions?

maths

you have eight $1coins and five $2 coins in your pocket. What is the smallest number of coins you need to take out of your pocket to be certain of having atleast one of each coin?

plane geometry

a solid has a circular base of radius 20cm. find the volume of the solid if every plane section perpendicular to a certain diameter is an equilateral triangle

plane geometry

a solid has a circular base of radius 20cm. find the volume of the solid if every plane section perpendicular to a certain diameter is an equilateral triangle

math

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 ?? -- one line: y=mx+b second line perpendicular y= -x/m + c of course, you have to know m, b, c. ----- for the second line ...

math check please

Find the median of the following set of numbers 45,21,54,22,65,61 Answer 49 1/2 2. find the mean and the median of the set of grades 95,75,76,86,96,71,68,81,95,76,69,82,93,88,94 Answer mean 83 median 82 3. find the mode of the following numbers 11,10,6,11,12 Answer 11 4. Find ...

French help please!!!

Match the correct form of the ver être with the subject pronoun. A. sont B. êtes C. es D. suis E. est F. sommes 1. nous 2. tu 3. vous 4. ils 5. on 6. je 24. Nous sommes intelligents. This sentence tells us: I am smart. He is smart. We are smart. You are smart. 25. La femme ...

english/quote

"human beings in their thinking, feeling and acting are not free but are as casually bound as the stars in thier motions." -Albert Einstein ok i was wondering what this means...maybe that humans follow a certain path of the people before them? idk please help thanks

Into to LAN

• Explain how you would create the users for the sales organization unit and how to set up work groups in this particular situation. Keep in mind that you may have to name certain applications and allowable tasks for each individual or job role.

Statistics

On average 3 % of a certain type of TV tube burn out before their guarantee has expired. If a merchant sells 120 such tubes, find the probability that he will be forced to replace at least 3 of them (Use the Poisson approximation to the Binomial distribution).

Math

The average amount customers at a certain grocery store spend yearly is $784.39. Assume the variable is normally distributed. If the standard deviation is $76.15, find the probability that a randomly selected customer spends between $712.05 and $932.88.

Physics

a) Rain drops hitting the side window of a car in motion often leave diagonal streaks if there is no wind. Why? b) For a certain projectile, the horizontal range is twice in magnitude of the maximum height attained by it. Find its angle of projection.

PED

I have a quiz and want to check them out to see if I got them correct: Question 1. When is it considered safe to provide both positive and negative examples of performance to students? (Points : 1) when the learners understand the skill when the learners have practiced the ...

Math

1. Find the next number in the pattern. -1, 3, 7, 11 a. 16 b.77 c.15 <------- d.13 2. Name the property of real numbers illustrated by the question. -2(x+4)=-2x-8 a.Associative prop of multiplication b. commutative prop of addition c. distributive prop <--------- d. ...

Chemistry. Please help!

A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original sample was magnesium...

Art

Could you please check scientific English in this short dissertation? Thank you, Ms. Sue. 1) Conrad Waddington introduced the term epigenetics in the early 1940s. He defined epigenetics as ‘‘the branch of biology which studies the causal interactions between genes and ...

physics

When a 4.48 kg mass is hung vertically on a certain light spring that obeys Hooke's law, the spring stretches 2.68 cm. How much work must an external agent do to stretch the spring 3.96 cm from its unstretched position?

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