a certain reaction has the following generaln form

73,436 results, page 93

Chemistry

Provide the products for this reaction: CH3O- +CH3SH -> ????

Chemistry 10

reaction of AgNO3 with BaO... Would it be Ag^+ + O^---> AgO (s)

chemistry

Is CO2 a product of an acid/base reaction?

Science

The action and reaction forces in any situation will always be ----- and ----.

Chemistry

A+2B--->2C Kc=2.27 2c--->D Kc=0.144 Calculate the equilibrium constant for the reaction D--->A+2B

Chem

Bronsted reaction HCO3-+HF<--> acid?+base?

Chem

What is the oxidation half-reaction for Mg(s)+ZnCL2(aq)>MgCL2(aq)+Zn(s)?

Chem

What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?

Chemistry

Chemical reaction for converting polythene to ethanol

chemistry

Not sure how to complete this chemical reaction: Li + Fe(NO3)3 --->

O-Chem

Draw the mechanism of the reaction of (E)-stilbene with Br2.

chemistry

Balance redox reaction. Fe(s) + O2(g) + H2O(l)-->Fe2+(aq) +OH-

chemistry 30

Calculate the enthalpy of reaction for the combustion of ethene.

biology

Does Aspirin do something to the reaction of amylase with starch ?

Chemistry

In which condition(s) can I get this reaction: Fe + H2SO4 = Fe2(SO4)3 + H2

Chemistry

Explain why a catalyst speeds up a chemical reaction.

Science

How do I write the correct dissolution reaction for BaCl2

Chemistry

How much heat (in kilojoules) is released on reaction of 5.30 g of Al?

chemistry

what can be separated into atoms with a chemical reaction.

english

dyslexia-'please describe a typical reaction'

chemistry

what is the reaction between potassium chloride and bromine?

Chemistry

Which reaction below represents the second ionization of Lr?

Chemistry

If a chemical reaction uses 140 g of N2. How many moles is this? n=m/M

science

2Zn+O2=2ZnO. What type of chemical reaction is it

chemistry

1. A student wanted to measure the amounts of (Ca2+) in the human blood. She got 1.00ml which she treated with Na2C2O4 solution. The resulting Ca2C2O4 precipitate was filtered and dissolved in dilute H2SO4 to release C2O42- into solution and allow it to be oxidized. The ...

Trig

4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution: sin(180−è) = sin 180−sin è, and, because sin 180 is zero, it follows that sin(180−è) is the same as −sin è. Is this answer correct? If not, what is a ...

Science

1.The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave to travel? A B C D 2.Which of the following correctly describes a radio wave? A.long wavelength and high frequency B.long wavelength and low frequency C.short ...

Chemistry

When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. If 22.9 grams of magnesium nitride are added to 31.0 grams of water, how many liters of ammonia should be produced (assuming standard temperature and pressure)? ...

Physics

When presented 1/4 N as data in a problem is this considered to be one significan figure becasue it is presented in the form of a fraction were there's only one significant figure. I'm asking this becasue if you converted it to a decimal you would have .25 N which would would ...

English

How can a certain narrative show originality? I have to write an essay about how the story we read in class narrative shows originality...

Maths

A certain number is halved, then increased by 3. The result lies between 5 and 7. Between which two values does the number lie? Write an inequeality for this?

Physics

A certain spring stretches 5.3 cm when it supports a mass of 0.65 kg . If the elastic limit is not reached, how far will it stretch when it supports a mass of 10 kg ?Answer in units of cm

Physics

When certain a force is applied to a 2kg standard mass, its acceleration is 5m/s^2.When the same force is applied to another object its aceleration is 2m/s^2. The mas of the objects is:

geography

Why are lines of latitude and longitude important? My answer--- They are important because they help you locate exactly where a certain location is. Do you think this is the answer my teacher is looking for?

chemistry

A certain substance has a molar heat of vaporization of 54.2 kJ/mol. How much of the substance is in a sample that requires 80.0 kJ to vaporize? Answer in units of mol

chemistry

a certain radioactive nuclide has a half life of 5.00 hour. Calcuate the decay rate for 1.000 mole of this nuclide __________ decay s-1

accounting

If the cost of, C(x), for manufacturing x units of a certain product is given by C(x)=x2-70x+4400, find the number of units manufactured at a cost of $7400?

physics

A certain car is capable of accelerating at a rate of 0.57 m/s^2.How long does it take for this car to go from a speed of 56 mi/h to a speed of 66 mi/h? 1mi/h = 0.447 m/s.Answer in units of s

physica

If a certain spring stretches 4.32221 cm when a load of 15.3617 N is suspended from it, how much will the spring stretch if it is cut in half and 18.2451 N is suspended from it?

math

At a certain grocery store, "a" customers each spend an average of $30 every "b" hours. How much revenue , in dollars, does the store collect in "c" hours?

math

answer if its going to be impossible, unlikely,likely,as not likely or certain 1. rolling an even number on a number cube labeled 1 through 8

Physics

A certain automobile engine delivers 2.24 ✕ 10^4 W (30.0 hp) to its wheels when moving at a constant speed of 31.0 m/s ( 69 mi/h). What is the resistive force acting on the automobile at that speed?

physics

A 22-N force, parallel to the incline, is required to push a certain crate at a velocity of 6.1 up a frictionless incline that is 55° above the horizontal. The mass of the crate is:

physics

A 36-N force, parallel to the incline, is required to push a certain crate at a velocity of 9.1 up a frictionless incline that is 45° above the horizontal. The mass of the crate is:

Science

1 mole of chlorine combines with a certain weight of a metal giving 111g of its chloride. The atomic weight of the metal (assuming its valency to be 2) is-

basic algebra

the tens digit of a certain number is 4 more than the units digit. the sum of the squares of the two digits is 26. find the number.

Physics

A certain spring stretches 6 cm when a load of 30 N is suspended from it. How much will the spring stretch if 50 N is suspended from it (and it doesn't rsach its elastic limit)? I don't understand what to do for this problem.

math

The difference between compound interest and simple interest on a certain amount for1.5 yes at 12% per annum is ₹ 150.calculate the amount.

stats

The probability is 0.7 that a person shopping at a certain store will spend less than $20. For groups of size 13, find the mean number who spend less than $20.

Chemistry

A stp a certain mass of gas occupies a volume of 790cm3, find the temperature at which the gas occupies 1000cm3 and has a pressure of 726mmhg

Maths

Difference between the compound interest and the simple interest on a certain sum for 2 years at 6% per annum is rupees 90 .find the sum

Chemistry

I did a lab for Organic Chemistry I did a simple distillation for an unknown and found that it boiled at 76 degrees. I also found out that the unknown was ethanol since we knew what the 4 possibilities were and mine was closest to ethanol. I also did a fractional distillation ...

Physics

A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1. The environmental pressure remains constant p0. (A) As the flask is heated up to temperature T2, the plug pops out. What is the pressure p2 of the ideal gas ...

Chem

If the initial pressure of HD(g) is 8.913 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.26. The initial pressure of the reaction products is 0 atm. 2HD(g) = H2(g)+D2(g) So I...

Biology

The diversity of chemical reation occuring in a cell depends mostly on certain molecules present in the cells are called? It's one of these proteins, coenzymes, or enzymes. i believe it is enzymes, but i could be wrong. correct

math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2000 calorie per day diet. Find decimal and fractional notation for the percent notation on each sentence. a)

math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

math

The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

Spanish

Not really a homework question, but more of asking for advice... I'm doing a skit tomorrow with another classmate in spanish and we had to write and memorize(sort of) lines according to a certain scenario. Are there any good techniques to help with my performance?

child psycology

We see indications that a child's role in perceptual development is passive when we observe? A. irrelevent information made relvant. B. selective attention. C. a preference for certain stimuli. D. systematic search.

Calculus

I am supposed to find when there will be 40 berry bushes. I am given the function p(t)=(16t+50t^3)^1/3. P is the population of a certain type of bush in a conservation area and t is time in years. I know that i am supposed to make p(t) = 40, but i don't know how to solve for t...

Physics

A car is traveling counterclockwise along a circular bend in the road with an effective radius of 200 m. At a certain instant, the car’s speed is 20 m/s, but it is slowing down at a rate of 1.0 m/s^2. What is the magnitude of the car’s acceleration?

electrical

6.A resistor R1 dissipates power P when connected to a certain generator with voltage V. If a resistance R2 is put in series with R1 the power dissipation by R1 A) Decreases B) Increases C) Remains the same D) Any of the above depending upon the value of R1 and R2

math

If the hourly sales at a certain register in a supermarket are normally distributed with a mean of $650 and a standard deviation of $60, find the probability that the sales during a randomly selected hour are greater than $800.

Word Problem

In a certain individual the resting diastolic pressure at time t is given by B(t)= 80+7sin((pi)(t)/(12)) where t is measured in hours since midnight and B(t) in mmHg (millimeters of mercury). Find this person's pressure at 6:00 am, 10:30 am, noon, and 8:00 pm.

College Algebra

The concentration C of a certain drug in a patient's bloodstream t minutes after injection is given by C(t)=50t/t^2+25. Determine the time at which the concentration is highest. Round your answer to the nearest tenth of a minute.

calc

find the volume of the solid generated by revolving around the x-axis: y=e^(x-8), y=0, x=0, x=10 So I know you can use the washer method, but the shell method can also be used and it should be better. The issue is I'm not certain how to actually do it. Any help is appreciated!

Sociology

This is the reason an employer might restrict employee internet access? a. Employees waste too much time on the internet b. viewing certain kinds of sites could lead to a hostile work environment

physics

i know this is stupid most likely but i missed a few weeks of lecture bc i was in hospital and i caught up on most of the notes but certain parts have me confuse, does anyone know how to tell if an electric force is negative or positive?

calcullus

Suppose the quantity demanded per week of a certain dress is related to price by the demand equation p=√75-2x. In order to maximize revenue, how many dresses should be made and sold each week?

Math

Suppose the quantity demanded per week of a certain dress is related to price by the demand equation p=√75-2x. In order to maximize revenue, how many dresses should be made and sold each week?

Calculus

It requires 8 inch pounds of work to stretch a certain spring 2 inches from its rest position. Assuming that the spring follows hooke's law, what is k? Please answer this question. Thanks for your answers in advance.

Math - Variation

under certain conditions, the thrust T of a propeller varies jointly as the fourth power of it's diameter, d, and the square of the number, n, of revolutions per second. What happens to the thrust if n is doubled and d is halved?

SCIENCE

A SCIENTIST NOTED A POSSIBLE RELATIONSHIP BETWEEN A CERTAIN CHEMICAL SUBSTANCE FOUND IN FISH AND THE OCCURRENCE OF THE KIDNEY FAILURE IN HUMANS. WHICH STEPS SHOULD THE SCIENTIST BEFORE CONDUCTING EXPERIMENT.

homework

The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 3.9% per hour. How many hours does it take for the size of the sample to double?

math

A certain medicine requires 10 mg per 10 kg of weight. How much medicine is required for a patient that weighs 273 pounds? Round answer to the nearest 10th. Use Unit Abbreviations for Units.

Math

A certain medicine requires 10 mg per 40 kg of weight. How much medicine is required for a patient that weighs 203 pounds? Round answer to the nearest 10th. Use Unit Abbreviations for Units

Statistics

Suppose that on average 10% of the people with an airline-ticket doesn't show up at the flight.For a certain flight, the plane has 100 seats and 110 tickets are sold. What is the probability that everyone who shows up will have a seat?

Simple geometry question

What do the lines mean that are on certain triangles. for example, a triangle would have a single dash at the bottom, two dashes on one side and three dashes on the other

Calclulus - L'Hopital's Rule

Evaluate the limit as x -> Infinity [5x-sqrt(25x^2+4x)] Direct substitution yields the indeterminate form Infinity - Infinity. Apparently, according to text book, I have to change that mess into something I can use L'Hopital's Rule on. Except the only example the book gives...

physics

A certain refrigerator is rated as being 39% as efficient as a Carnot refrigerator. To remove 102 J of heat from the interior at 0 °C and eject it to the outside at 23 °C, how much work must the refrigerator motor do?

physics

A certain refrigerator is rated as being 39% as efficient as a Carnot refrigerator. To remove 102 J of heat from the interior at 0 °C and eject it to the outside at 23 °C, how much work must the refrigerator motor do?

business math

Statistics show that the sales force of a certain company successfully closed 352 sales out of 800 sales calls. What was their percent success rate?

Math

Emma started with a certain amount of money. She spent 2/5 of her money. She earned €5 the next day. Later, she lost 3/7 of her money, but she still had €20 left. How much did she start with?

English

I don't exactly know if my answers are correct, but can you please check? 1.) Which of the following could you reveal? A.) your age B.) your date of birth C.) your thoughts D.) your plans for the future I think it's a,b,c, and d. 2.)which of the following would have an impact...

CHEM

1. How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the limiting reagent? 2. Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent? 3. The burning of 18.0 g of ...

Chemistry

---This was the previous one--- Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless. When a solution of C is ...

english

Axia College Material Appendix B Sentence Structure Review Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, run-on sentence, verb form and tense, or sentence fragment. Identify which of...

algebra 1b

i need to know how to solve certain problems like this 4x=2y-10 x+2y=5 i need examples of this and shown to me step by step

physics

A certain car is capable of accelerating at a rate of 0.59 m/s2. How long does it take for this car to go from a speed of 27 mi/h to a speed of 33 mi/h?

Science

A certain car is capable of accelerating at a rate of + 0.60 m/s^2. How long does it take for this car to go from a speed of 55 mi/h to a speed of 60 mi/h?

physics

A certain car is capable of accelerating at a rate of +0.90 m/s2. How long does it take for this car to go from a speed of 55 mi/h to a speed of 80 mi/h?

physics

A certain car is capable of accelerating at a rate of +0.50 m/s2. How long does it take for this car to go from a speed of 45 mi/h to a speed of 85 mi/h?

physics

A certain car is capable of accelerating at a rate of +0.90 m/s2. How long does it take for this car to go from a speed of 35 mi/h to a speed of 70 mi/h?

Physics

A certain car is capable of accelerating at a rate of +0.90 m/s2. How long does it take for this car to go from a speed of 50 mi/h to a speed of 65 mi/h?

science

a cookie a certain mass. explain why the mass would not change if you break the cookie in half.

physics

A certain car is capable of accelerating at a rate of +0.60 m/s2. How long does it take for this car to go from a speed of 20 mi/h to a speed of 65 mi/h?

physics

A certain car is capable of accelerating at a rate of + 0.30 m/s2. How long does it take for this car to go from a speed of 55 mi/h to a speed of 80 mi/h?

physics

A certain car is capable of accelerating at a rate of + 0.80 m/s2. How long does it take for this car to go from a speed of 15 mi/h to a speed of 75 mi/h?

math

A certain computer can perform 105 calculations per second. How many calculations can it perform in 10 seconds?

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