a certain reaction has the following generaln form

72,980 results, page 99

physical science

what reaction do you get when adding 3 tespoons of Na2S2O3 to 50 ml of boiling water

chemistry

is energy considered a chemical reaction that is important to a healthcare professional

Chemistry

For the reaction HNO3+HCl=NO2Cl+H20 What is the equilibrium constant at 25 C and 75 C

chemistry

what is an ionic compound that forms an acid-base neutralization reaction?

Chemistry

What is the chemical reaction between Phosphoric Acid and Disodium Phosphate?

Biology

is the reaction of calcium chloride with sodium carbonate ionic or covalent

history: please help for a survey

what is your reaction on the first and second opium war?

chemistry

Account for the increase in reaction rate brought about by a catalyst.

organic chemistry

what are the formulas of the salts that may precipitate when the reaction mxture is cooled?

Chemistry

For the reaction 2 N2O <===>O2 + 2 N2 what happens to the equilibrium position if the pressure is increased

chemistry

here is a redox reaction Fe+ Cu2+„³ Fe2+ Cu Is Fe oxidized and Cu reduced ? and why. Thanks for the help:)

chemistry

Which reaction illustrates water acting as a Bronsted Lowry base?

chemistry

write the reaction of propanal reacting with: CH3CH2NH2 and CH3MgClthen H2O/H+

reading

In the Year of the Boar and Jackie Robinson what is your reaction to Senora Rodriquez?

biology

Describe the to type of energy changes that can occur in a chemical reaction Thanks

Chemistry

What you can predict about a reaction whose activation energy is zero?

science

Name the type of reaction that the equation represents? 2Cu + O2 -------> 2CuO

chemistry

4KCl + 4HNO3 + O2 ==> 4KNO3 + 2Cl2 + 2H2O what kind of reaction is this?

Chemistry

What is the balanced equation for the reaction of acetylsalicylic acid and sodium hydroxide?

Chemistry

What is the possible ionic equation of TrisEDTA solution? REDOX reaction.

chemistry

how do you identify the base in this reaction? h2o(L) + CH3NH2(aq) yields OH-(aq) + CH3+(aq)

chemistry

Write the double-replacement reaction of HgCl2 reacting with Na2CO3.

chemistry

Write the double-replacement reaction of PbCl2 reacting with Na2CO3.

chemistry

why the increasing in substrate concentration increase in the rate of reaction of enzymes.

chemistry

could the products ever become the reactants in chemical reaction? explain. thanks!

Chemistry

Calculate the temperature at which k = 2.0 s-1 if k = 10.0 s-1 at 371 K. The activation energy for the reaction is 30.0 kJ mol-1.

Chemistry

What does the reaction of alkaline earth metals with water tell you? Thanks in advance.

Chemistry

Balance the equation and write the reaction-quotient expression, Qc. U(s) + F2 (g) <----> UF6 (g)

Organic Chemistry

what is the major product of a reaction with 1-butene and Br2 in water?

chemistry... HELPP

What is the cell potential for the reaction Mg(s) + Fe^2+(aq) -----> Mg^2+(aq) + Fe (s) at 63 degrees celsius when [Fe^2+]= 3.30 M and [Mg^2+]= 0.110 M

science

The rate constants for a first order decay reaction are found to be:

Environmental science 11th

Describe how energy is produced in a nuclear reaction.

Chemistry

The \rm p \it K_{\rm a} of this reaction is 4.2. In a 0.74\it M solution of benzoic acid, what percentage of the molecules are ionized?

chemistry

how is it possible for the same element to be oxidized in one reaction and reduced in another?

chemistry

What mass of F2 is needed to produce 116 g of PF3 if the reaction has a 77.4% yield?

chemistry

does Adding A increased Q, so the net reaction proceeds to the left to decrease Q. a+b=ab

chem

Chromium(III) chloride(aq) + potassium sulfide(aq) what are the products of this reaction

Chemistry

What are the oxidation numbers for sulfur in the half reaction SO2 --> H2SO4 ?

chemistry

I need the half reactions for this redox reaction: 2KClO3-----> 2KCl + 3 O2

Chemie

for the reaction at 20 C NH3 (aq) + H+ (aq) <----> NH4+(aq) the equilibrium constant is calculated to be K=4.5 x 108

Chemistry

Calculate the equilibrium constant, k a reaction with delta G= -32.5 kj/mol at 25 degrees C

Chemistry

need help to balance half reaction in basic solution IO3 to I2

chemistry

What mass of magnesium chloride is formed in the reaction between 7 g of Mg and 7.9 g of Cl2

AP Chemistry

write an oxidation- reduction reaction for the reactants OCl- and S2O3-2

chemistry

How do you draw the structure of the reaction of 1-hexene with h2o in the presence of acid

Chem.

What is the overall stoichiometry for the reaction between iodide and peroxydisulfate ions?

chemistry

write a reaction that show solid copper (II) nitrate dissociating.

chemistry

In the reaction ZnO+2HCl=ZnCl2+H2O what is oxidized and what is reduced?

Chem

Write the balanced overall reaction from these unbalanced half-reactions ln--->ln^3+ Cd^2+--->Cd

chemistry

What are the products of the reaction between nitrous acid and strontium hydroxide?

Chemistry

Balance Redox using reactions by the 1/2 reaction method. NaIO3 (aq) + KI (aq) -->„³ I2 (s)

chemistry

Redox reaction in assign oxidation number is ca3(po4)2

Chemisty

blanced equation for MgSO4(aq) + BaCl2(aq) describing any precipitaion reaction

chemistry

in a reversable reaction H2+I2=2HI,what will happen to the equilibrium if the volume is decrease?

chemistry

How many grams of HCl are formed from reaction of 3.58g of H2 with 8.90g of Cl2?

chemistry

Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O How many grams of NO will be made from 10.7 moles of O2?

chemistry

When an acid and a base react in a neutralization reaction, the products will be acidic. T/F

chemistry

By what factor is the rate of a reaction changed if an enzyme lowers the Ea by 9.0 kJ/mol at 37°C?

chemistry

write a chemical reaction for lead2 nitrate + sodium iodide ->

sds chemisry

diffren between endotermic reactin and exotermic reaction

chemistry

How much heat (in kilocalories) is released when 7.87g of Al is used in the reaction?

Chemistry help

Why is it important for the reaction beaker to be completely dry before weighing?

Chemistry

The chemical equation for ionic reaction between Na2S and AgNO3??

chemistry

what is the rate law for NO+O3=NO2+O2 in second order reaction if [NO] Doubled

chemistry

How much heat is produced by the complete reaction of 5.91kg of nitromethane?

Chemistry

How can I tell from a graph of temperature vs. time if a reaction is endothermic or exothermic?

Chemistry

How is 4FeS2 + 11O2 = 2Fe2O3 +8SO2 a single replacement reaction?

chemistry

Net Ionic Reaction and molecular Equations of Ca3(PO4)2

science

how to balance chemical equations with redox reaction Cr(OH)3 + IO3{-} + OH{-} = CrO4{-2} + I{-}

chemistry

Calculate the number of moles of O2 that can be produced by the decomposition reaction of water

Physics

What is the reaction of the earth pulling down on a pen that is lying on a table

Science

2Na(s) + 2H2O(aq) = 2NaOH (aq) + H2 (g) Is this reaction exothermic or endothermic? I don't understand ,

Science

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

chemistry (ap)

What will be the reaction rate (formation of C) when the concentrations of A & B are 0.150 M and 0.250 M respectively?

chemistry

4.8g of Mg were burn in 3.2g of oxygen. The MgO produced at a mass of 8g what is the equation of the reaction

CHEMISTRY

What will be the reaction rate (formation of C) when the concentrations of A & B are 0.150 M and 0.250 M respectively?

SCIENCE

CO+H2O ---->CO2+H2 IN THIS REACTION HOW TO I HAVE TO CANAVART CARBONIC ACID?

chemistry

What is the balanced equation for reaction between hydrochloric acid and water?

chemistry

What os the balanced equation for the reaction between ethanoic acid and water?

Physical science

Explain why an endothermic reaction might cause a drop in temperature.

Chemistry

is H2CO3+2LiOH=Li2CO3+2H2O a oxidation reduction reaction??

Science

Reaction between potassium dichromate and sulphir dioxide gas?

Science

Reaction between potassium dichromate and sulphur dioxide gas??

English

low sleep or sleepiness what is the effect on our reaction time?

chemistry

When you mix baking soda with vinegar is the reaction endothermic or exothermic?

Chemistry

What is the formula of the precipitate formed from the precipitation reaction of Li2CO3 and ZnCl2?

Chemistry

Can you check my calculations, please? It's for a lab we did in order to find the the enthalpy of formation of NH4Cl(s). My final answer was -299.4 kJ, while the theoretical, or actual, value is -314.4 kJ. It was the closest value out of everyone in the entire class. I'm not ...

physics

How do i go about this question? Suppose a car is traveling at 20.0m/s, and the driver sees a traffic light turn red, After 0.530s has elapsed (the reaction time), the driver applies the brakes, and the car accelerates at 7.00m/s2. What is the stopping distance of the car, as ...

Chemistry Lab

I need help with the third part The chemical method of analysis in determination of the blood alcohol content (%BAC) is: K2Cr2O7 + H2SO4 + C2H5OH → Cr2(SO4)3 + K2SO4 + CH3COOH + H2O What are the stoichiometric coefficients for the reaction above? (please enter the ...

Accounting

Dividing Partnership Income Desmond Drury and Ty Wilkins have decided to form a partnership. They have agreed that Drury is to invest $140,700 and that Wilkins is to invest $60,300. Drury is to devote full time to the business, and Wilkins is to devote one-half time. The ...

Please answer two math questions!!!

10. From the 2010 census data, the population of Texas was about 2.5 x 107 people. Florida’s population was about 1.9 x 107. Idaho’s population was about 1.6 x 106. Which of the following statements is true? a)Idaho has a larger population than Florida. b)Florida has a ...

intro to lan technologies

• Explain how you would create the users for the sales organization unit and how you can 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.

psychology

the legal requirement that professionals notify appropriate authorities about cases in which children and certain other groups of vulnerable individuals are being abused is referred to as a) parens patriae. b)informed consent. c)duty to warm. d)mandated reporting.

Math 120

The results of a certain medical test are normally distributed with a mean of 128 and a standard deviation of 19. ​(A score above 140 is considered​ unhealthy.) Use the given table to find the percentage of people with readings below 137.

Chemistry

Thanks for the help earlier My question Silicon tetrachloride (SiCl4) can be prepared by heating Si in chlorine gas: Si + 2Cl2 yields SiCl4 In one reaction 0.507 mole of SiCl4 is produced. How many moles of molecular chlorine were used in the reaction? Ok is it makeing ...

English

1. Colors make up our world. 2. Our world is made up of colors. 3. Our world is made up by colors. (Is #2 the passive form of #2? What about #3? Is #3 the passive form of #1?)

Chemistry

For each of the following, enter the number of covalent bonds that the atom can form: (A) One atom of carbon (B) One atom of sulfur (C) One atom of nitrogen with no net charge (D) One atom of nitrogen with positive net charge (E) One atom of oxygen with no net charge (F) One ...

correction

One of people’s favorite hobbies is to listen to music. is there another word to say for people. it sounds too informal for an essay. Many people have a hobby of listening to music. The favorite hobby of many people is to listen to music. Listening to music is the favorite ...

Computer Science (MATLAB)

I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value that had to be ...

Computer Science (MATLAB)

I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value that had to be ...

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