a certain reaction has the following generaln form

73,810 results, page 48

chemistry

The following experimental data were obtained for the reaction; 2 NO + 2 H2 ¡æ N2+ 2 H2O Rate/10-5M/s [NO]/10-2M [H2]/10-2M 0.50 0.50 0.20 2.00 1.00 0.20 0.25 0.25 0.40 Write a rate law in agreement with the data. Rate = What is the value and units of the rate constant?

college chemistry

Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when [Cr3+] = 0.15 M, [Al3+] = 0.30 M, and [Cr2O72-] = 0.55 M. 2 Al(s) + Cr2O72-(aq) + 14 H+(aq) → 2 Al3+(aq) + 2 Cr3+(aq) + 7 H2O(l)

i need help finding PH

Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when [Cr3+] = 0.15 M, [Al3+] = 0.30 M, and [Cr2O72-] = 0.55 M. 2 Al(s) + Cr2O72-(aq) + 14 H+(aq) → 2 Al3+(aq) + 2 Cr3+(aq) + 7 H2O(l)

Chemistry

Calculate the standard free-energy change for the following reaction at 25 °C. Standard reduction potentials can be found here. 2Au^3+(aq) + 3Cr(s) <-----> 2Au(s) + 3Cr^2-(aq)

chem1A

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.) (b) Cr2O72-(aq) + Cl ‾(aq) → Cr3+(aq) + ...

math

can someone check my answer thank you The following pie chart represents the eye color of students in a certain class.the chart say that 50% of students have brown eyes 17% is other and 33% is blue. If there were 66 students in the class, how many students had brown eyes? 31 ...

Math-stats

I am having so much trouble calculating Type 2 error in simple questions, can someone pleaseeeee help me by explaining what to do? Let ƒÊ denote the true average diameter for bearings of a certain type. A test of Ho: ƒÊ = 0.5 versus Ha: ƒÊ ‚ 0.5 will be based on a ...

PHYSICS PLEASE

Identify the action-reaction pairs in the following situations. (a) a man takes a step (b) a snowball hits a girl in the back (c) a baseball player catches a ball (d) a gust of wind strikes a window WE DIDN'T LEARN THESE PLEASE GIVE ME HELP/EXAMPLES

Chemistry

What mass of benzene(C6H6, molar mass=78.11g/mol) is required to produce 1500 kJ of heat according to the following reaction? 2C6H6(l)+15O2(g) -> 12CO2(g) +6H2O(g) delta H= -6278 I must have tried this so many times. Can you please show me how this is done. Thanks

Chemistry College

One reaction of iron with hydrochloric acid is represented by the following thermochemical equation. Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g); ΔH°= –87.9 kJ How much heat is liberated at constant pressure if 0.416 g of iron reacts with 42.0 mL of 0.457 M HCl? A. 87.9...

math

The disney Golf classic starts with 64 golfers. the golfes form pairs and each pair plays amtch. the losers drop out nad the winners of each pair then form new pairs and play again. Then those winners form pairs and play. this continues until there is one winner.. a- In how ...

Physics

Power transmission lines often use a form of electric current called alternating current, but in many regions, such as the Province of Quebec, high-voltage direct-current lines are used instead. Direct current is the kind of electric current you are studying in this chapter. A...

Math

Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^2-5x=3 2. 3x^2-2x+1=0 Rearrange the equation in quadratic formula form. 2x^2 -5x -3 = 0 Then use the formula. Tell me what you don't understand about it if you don't know what to do next. I ...

Chemistry

Another fill in the blank Show the chemical reaction equation for the process known as photosynthesis by filling in the blanks below ________+______+________ ---> _____+________ search for photosynthesis reaction on Google.

chemistry

consider the reaction in which 410 grams of Ca(NO3)2 react with just the right amount of lithium metal in a single replacement reaction. 1-how many grams of lithium are required? 2- how many grams of each product can be produced?

Chemistry chemical equilibrium

1.25 mol of NOCl was placed in a 2.50 L reaction chamber at 427 celciciu degre . After equilibrium was reached, 1.1 mole of NOCl remained. Calculate the equilibrium constant Kc for the reaction

Chemistry

Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction

Chemistry

Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction

Chemistry

Consider the reaction CaSO4(s)rightleftharpoons Ca^2+(aq)+ SO_4^2-(aq) At 25 C the equilibrium constant is Kc = 2.4 \times 10^-5 for this reaction. If excess CaSO4(s) is mixed with water at 25C to produce a saturated solution of CaSO4, what are the equilibrium concentration of...

physics

The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an alpha particle (4He) from two 3He nuclei: 3He + 3He 4He + p + p The binding energy for 3He is 2.57 MeV per nucleon and that for 4He is 7.07 MeV per nucleon. Calculate the amount of ...

Physics

The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an alpha particle (4He) from two 3He nuclei: 3He + 3He 4He + p + p The binding energy for 3He is 2.57 MeV per nucleon and that for 4He is 7.07 MeV per nucleon. Calculate the amount of ...

Chemistry

H2O is the same thing as HOH correct? Does it matter which one you use in a Double Replacement Reaction? To me personally, HOH is easier to balance. Would I get marked down if I left HOH in my balanced reaction, if technically speaking, both are interchangable?

Chemistry

I posted this before and I know now to use P1T2=P2T1 but I was wondering what I would plug in as pressure and temp? just an example of one would be so great. In each of the four problem in this section, all gases are measured at the same temperature and pressure. 1) (a) What ...

Science

According to the following equation: CaCO3 + 2 HCl---> CaCl2 + H20 + CO2 How many grams of CO2 can be produced from the reaction of 20.0 mL of 0.400M HCl solution with excess CaCO3?

chemistry ASAP

Consider the following chemical reaction: NaOH +HC1 -> NaC1 + H20 When 36.5 g of HC1 are reacted with 40.0 g of NaOH , how many grams of water are produced along with 58.5 g of NaC1?

chemistry ASAP

Consider the following chemical reaction: NaOH +HC1 -> NaC1 + H20 When 36.5 g of HC1 are reacted with 40.0 g of NaOH , how many grams of water are produced along with 58.5 g of NaC1?

chemistry asap

Consider the following chemical reaction: NaOH +HC1 -> NaC1 + H20 When 36.5 g of HC1 are reacted with 40.0 g of NaOH , how many grams of water are produced along with 58.5 g of NaC1?

Chemistry

In the following acid—base neutralization reaction HNO3(aq)+ KOH(aq) ----KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0 ml is needed to react with 25.0 ml of 0.150M KOH solution?

Chemistry

Calculate the molar enthalpy for the following reaction. HCl(aq) + NH3 (aq) --> NH4Cl (aq). HCl = 50 ml (2.00M) NH3 = 50 ml (2.05 M) Delta T = 9.28 degrees Celsius. Ccal = 28.9J/g degrees celcius.

chem

In the following balanced neutralization reaction equation, how many moles of HCl are required to completely neutralize 0.040 moles of NaOH? HCl + NaOH d NaCl + H2O

Chemistry

Hydrogen chloride gas can be prepared by the following reaction: 2NaCl(s) + H2SO4(aq) --> 2HCl(g) + Na2SO4(s) How many grams of HCl can be prepared from 2.00 mol H2SO4 and 2.56 mol NaCl?

Chemistry

Hydrogen chloride gas can be prepared by the following reaction: 2NaCl(s) + H2SO4(aq) --> 2HCl(g) + Na2SO4(s) How many grams of HCl can be prepared from 2.00 mol H2SO4 and 2.56 mol NaCl?

Chemistry

CaCl2(aq)+ Cs3PO4(aq) ---> Complete the reaction and classify as precipitation or acid/base. Net ionic equation as well. I believe this is a precipitation reaction since there is no H. Believe the products may be CaPO4 and Cs3Cl2? Can someone help explain this to me, having...

chem--electrochemistry

So in this reaction: Ag(s) + Fe(+3) --> Ag(+) + Fe(+2) we are given 20 grams of Ag(s) to start off with. How do we find how many electrons are transfered in the reaction. And how many grams of Fe(+2) is formed. *for the latter, i think that we can calculate it through ...

chemistry

Many reaction involving heterogeneous catalysts are zeroth order, that is rate=k. An example is the decomposition of phosphine (PH3) over tungsten (w): 4Ph3---> P4 + 6H2 It is found That the reaction is independent of PH3. As lon 1 g as phosphine's pressure is sufficiently ...

chemistry kinetics

The reaction SO2Cl2(g) → SO2(g) + Cl2(g) is a first order reaction carried out at constant volume at 600 K whose t1/2 is 4.1 hr. The initial pressure of SO2Cl2 is 1.25 atm. What will be the total pressure of the system after 1 hour?

Chemistry

Is the decomposition of lead(ii)nitrate a redox reaction? Equation with O.S. underneath 2Pb(NO3)2 => 2PbO + 4NO2 + O2 +2 -1 +2-2 +4-2 0 I got all the o.s. but I am still confused as to whether or not this makes it a redox reaction. Do the individual elements in the nitrate ...

is the ph= o for the H+

Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when [Cr3+] = 0.15 M, [Al3+] = 0.30 M, and [Cr2O72-] = 0.55 M. 2 Al(s) + Cr2O72-(aq) + 14 H+(aq) → 2 Al3+(aq) + 2 Cr3+(aq) + 7 H2O(l)

chemistry

Calculate the number of moles of H2O2 required to produce 0.08 moles of HNO3 by the following reaction. 7 H2O2 + N2H4 2 HNO3 + 8 H2O

chemistry

i already posted this question, but im still confused on it. Dinitrogentetraoxide partially decomposes according to the following equilibrium: N2O4 (g) -> 2NO2 (g) <- A 1.00-L flask is charged with 0.400 mol of N2O4. At equilibrium at 373 K, 0.0055 mol ofN2O4 remains. ...

Chemistry

Given the elementary reaction: 2 NOBr==>2 NO + Br2 k = 0.80 Which variables obtained for this reaction will produce a straight line? log[NOBr] vs. t [NOBr] vs. t [NOBr]2 vs. t 1/[NOBr] vs. t instinctively i would choose B, but I am not sure what my prof is getting at with ...

algebra

1.what is the simplest form of the producy sqrt 50x^7y^7 * sqrt 6 xy^4 2. What is the simplest form of the radical expression 4^3 sqrt 3x + 5^3 sqrt 10x 3. What is the simplest form of the radical expression sqrt 2 + sqrt5 / sqrt 2 - sqrt 5 if someone could explain the steps ...

Chemistry

Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 155 cal/g. The scientist observing the extraterrestrial life form also ...

chemistry

what are 4 chemical properties of organic compounds?i know there non polar molecules and they tend to e soluble in non polar solvents,,but my homework says i need 2 more and i don't know what else..thanks :) Some organic compounds are non-polar and some are polar. In fact, ...

chemistry

At 850 K, the value of the equilibrium constant Kp for the ammonia synthesis reaction N2(g) + H2(g) <--> N2H2(g) is 0.1690. If a vessel contains an initial reaction mixture in which [N2]=0.0150 M, [H2]=0.0200 M, and [N2H2]=0.000250 M, what will the [N2H2] be when ...

Chemistry

Consider the reaction A+B->C+3D. A solution was prepared by mixing 50 ml of .001 M of A, 100 ml of .002 M of B, 10 ml of 1 M of C, and 75 ml of .0015 M of D. At equilibrium, the concentration of D was measured and found to be .0006 M. Calculate the equilibrium ...

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O(fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O (fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O (fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O (fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O (fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chemistry

2 CO (g) + O2 (g) --> 2 CO2 (g) The mechanism below has been proposed for this reaction; (slow) O2 + CO --> CO2 + O (fast) O + CO --> CO2 Based on this mechanism what is the rate law for this reaction?

Chem Check Please!!!

1) Assuming the following reaction proceeds in the forward direction, 3 Sn4+(aq) + 2 Cr(s) ---> 3 Sn2+(aq) + 2 Cr3+(aq) a.Sn4+(aq) is the reducing agent and Cr(s) is the oxidizing agent. b.Cr(s) is the reducing agent and Sn2+(aq) is the oxidizing agent. c.Sn4+(aq) is the ...

Math Quiz

Math Quiz please help fast Write the following ratio in simplest form: 32 min:36 min (1 point) 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? (1 point) 43:8 8:...

7th grade language arts Ms. Sue please

21. 14. Identify a prepositional phrase in the following sentence from the story: "If we don't play today, and we lose in the playoffs next week, we'll have played exactly half of a ten game schedule." (1 point) in the playoffs if we don't we'll have played next week Which of ...

chemistry 105

Consider the following reaction: Li2S(aq)+Co(NO3)2(aq)-->2LiNO3(aq)+CoS(s) What volume of 0.150 M Li2S solution is required to completely react with 125 mL of 0.150 M Co(NO3)2?

Equilibrium

An equilibrium mixture of the following reaction was found to have [I2]= 0.0325M at 1200 ∘C. What is the concentration of I ? I2(g)⇌2I(g) Keq= 1.5×10−2 at 1200 ∘C Someone please help set this up?

rhs

n the following balanced neutralization reaction equation, how many moles of HCl are required to completely neutralize 0.040 moles of NaOH? HCl + NaOH → NaCl + H2O

Organic chemistry!!!Need helpp!!!

1. Consider the effect of water concentration on rate of the reaction in water and acetone. WOuld you predict that the rate would be greater or less in the presence of a higher concentration of water? Explain your answer, using the structure of the transition state. 2. ...

Organic chemistry!!!Need helpp!!!

1. Consider the effect of water concentration on rate of the reaction in water and acetone. WOuld you predict that the rate would be greater or less in the presence of a higher concentration of water? Explain your answer, using the structure of the transition state. 2. ...

Math Algr.2

Convert to standard form (AX+BY=C) 1.y=3/2x+6 2. 2/3y=2x-5 3.7y-21=1/2x 4.-2/3x+3/4y=1 Convert to Slope/intercept form (y=mx+b) 1.3x-27=14 2.-9y-6x-18=0 3.8-2x+4y=0 12x=4y-8 I need help going through this because I am not sure if I am doing everything right and I also don't ...

Analytic Geometry/Calculus

We didn't go over the perpendicular form in class, only the parallel. Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector or line.

MATH - Standard Form

Mohammed copied this problem into his notebook. (3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to rearrange the factors. B. Find the product and write it in standard form.

Math

Forensic scientists use the lengths of certain bones to calculate the height of person. A bone often used is the tibia (t), the bone from the ankle to the knee. A man’s height (h) is determined from the length of this bone using a function defined by the following formula: h...

Chemistry

. For the reaction 2H2(g) + 2NO(g) → N2(g) + 2H2O(g) The observed rate law is Rate =k[NO]2[H2] The mechanisms shown below have been proposed to explain the kinetics of the above reaction Which of the following are acceptable mechanisms? Explain you answer Mechanism I 2H2...

chemistry

) Choose the correct integrated rate law for each reaction order. (Enter only the letter to the left of the correct response.) Reaction Order Answer zero d first c second a a. l/[A]t = kt + l/[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = –kt + ln[A]0 d. [A]t = –kt + [A]0 e. [A...

Chemistry

It asks:For each of the following atomic numbers, use the periodic table to write the formula (including the charge) for the simple ion that the element is most likely to form in ionic compounds. For example, they gave 56, and the answer is Ba(2+), but I don't understand how ...

Algebra 1

Using the point-slope form of a line, y-4= -2(x+3) identify the slope. b. Transform this given equation into slope-intercept form.

Chemistry

!00.0 grams of Na2SO4 reacts with 150.00 grams of Ba(NO3)2to form NaNO3 and BaSO4. How many grams of barium sulfate will form?

Probability/Statistics

Please help!!! Smith Widget Company makes widgets for the medical industry. One particular customer requires widgets that meet FDA standards. One FDA standard requires Z-testing of at least 100 widgets at a time at the .08 level of significance. The specific standard requires ...

chemistry

The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 6.35-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the antimony is in the ...

chemistry 2

What does a negative E cell indicate about a redox reaction? What does is indicate about the reverse reaction?

Chemistry

Consider the reaction: CaCl2. 2H2O(s) <=> CaCl2(s) + 2H2O(g) The equilibrium constant for the reaction as written is

Decomposition reaction

List the number of reactants and the number of products in a decomposition reaction; 2H2O(I)=2H2(g)+O2(g)

Chemistry

If the equilibrium constant for a reaction A + B <----> C + D is K, which is true of the equilibrium constant K* for the reaction C + D <----> A + B under the same conditions? A) K* = K B) K* = 1/K C) K* = 1 - K D) K* = 1 - (1/K) E) K* = 1 + K

Chemsitry

If Kc = 6.38 × 105 for the reaction A(g) ⇀ ↽ 2B(g), what is Kc for the reaction written as 2B(g) ⇀ ↽ A(g)? How would I solve this?

chemistry

Calculate the number of moles of Al2O3 that are produced when 0.6 mol of Fe is produced in the following reaction. 2Al(s) + 3Fe(s)-- 3Fe(s) + Al2O3(s)

Physics

A ball rolls along a horizontal frictionless surface without slipping toward and incline.  The ball moves up the incline a certain distance before reversing direction and moving back down the incline.  In which of the following situations does the ball move the greatest ...

chemistry

In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer when each of the following solvent is used? a. chloroform b. cyclohexane c. heptane d. dichloromethane

Chemistry

Convert the following into a balanced equation: Liquid disilicon hexachloride reacts with water to form solid silicon dioxide, hydrogen chloride gas, and hydrogen gas.

English

Hello. I wanted to ask if it is possible to use the progressive form of "expect" in the following structure: "he is expecting his brother to arrive before Friday" or is it "he expects his brother to arrive"? Thank you very much for your help.

math

volume is determined by the following formula Vs*3 represent the volume of the cube above in expanded form right side 3cm Evaluate to find the voume of the cube show work

Linear Equation

For the following plane equations: x + 2y + 3z = 1 2x + 5y + 3z = -1 x + bz = c Find all values of b and c such that all planes are the same planes. I've reduced it into the row echelon form but don't know what to do next. Thanks beforehand

Chemistry

What is an ionic solid? A. One positive ion and one negative ion bonded to form a solid B. Many nonmetal atoms bonded together to form a solid C. Many positive and negative ions bonded to form a solid D. Many metal atoms bonded together to form a solid I believe the answer is ...

Inorganic chemistry

Calculate E naught cell for the reaction b 5Cd(s) + 2MnO4-(aq) + 16H+(aq) ==> 5Cd^2+(aq) = 2Mn^2+(aq) + 8H2O(l) given the following standard reduction potentials MnO4^-(aq) + 8H^+(aq) = 5e^- ==> Mn^2+(aq) + 4 H2O(l) E naught = +1.52V Cd^2+(aq) + 2e^- ==> Cd(s) E ...

General Chemisty

3. Calculate the value of the equilibrium constant (Kc) for the reaction displayed if the following equilibrium concentration data were measured at 723.0 K: [N2(g)] = 2.936 mol/L, [H2(g)] = 2.933 mol/L, [NH3(g)] = 3.443 mol/L. N2(g)+3H2(g) = 2NH3(g)

genetics

Which of the following does not occur during the PCR reactions? A.Changes in the reaction temperature by a thermocycler B.Denaturation at high temperatures C.Synthesis of oligonucleotide primers D.Extension of primers by DNA polymerase E.Annealing of oligonucleotide primers

chemistry

Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...

chemistry

Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...

CHEMISTRY

Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...

science

what happens when you mix calcium with oxygan Generally, one could expect Calcium Oxide (CaO) to form. In the presence of water, Calcium hydroxide will form.

DOSAGE FORMS AND ROUTES OF ADMINISTRATION

On a job interview for a position as a pharmacy technician, the interviewer asks you what a dosage form of medication is. You respond that a dosage form is

Chemistry

1) A reactions has a delta H of -76 Kj and a delta S of -117 J/K. Is the reaction spontaneous at 298 K? Work: Delta G= -76kJ/mol - 298K(-117J/K/1000) Delta G= -41.134 Spontaneous 2) A reaction has a delta H of 11 kJ and a delta S of 49 J/K. Calculate the delta G at 298 K. Is ...

Chemistry

The amount of solar radiation received anually in arizona is about 8.4 x 10^6 KJ/m^2. What mass of carbon must be burned into carbon dioxide to produce the same amount of energu in the following reaction? C + 02 --->CO2 deltaH=-393.5Kj

chemistry

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following figure. When the gas undergoes a particular chemical reaction, it absorbs 825kJ of heat from its surroundings and has 0.62J of work done on it by its surroundings.Whats the ...

Chemistry

Calculate the mass of propane, C3H8(g), that must be burned in air to evolve the same quantity of energy as produced by the fusion of 1.0 g of hydrogen in the following fusion reaction: 4H ---> He + 2e- Assume that all the products of the combustion of C3H8 are in their gas...

Chemistry(please check my answer)

Among the following, which is an oxidation-reduction reaction? A. Na2S + CaCO3 → CaS + Na2CO3 B. 2HNO3 + Mg(OH)2 → Mg(NO3)2 + 2H2O C. H2 + F2 → 2HF**** D. 3Ba(OH)2 + 2H3PO4 → Ba3(PO4)2 + 6H2O

Chemistry

What is the volume of the oxygen produced when 1.00L carbon dioxide reacts with 20.0 g of Na2O2 based on the following unbalanced reaction at 25C and 2.00 bar? Na2O2 + CO2 -> O2 + Na2CO3 R = 0.083145 L bar K-1 mol-1 I got 1.57L but the answer is 500mL

AP Biology

The respiration of plants is a biochemical reaction and should have a rate determined by the Arrhenius equation, k = Ae-EA/RT. Here, k is the rate, A is a constant, EA is the activation energy for the reaction, R is the gas constant, and T is the temperature in kelvins. If the...

Calculus

Perform the indicated operations and simplify the result. Leave your answer in factored form. 4+(4/x)/4-(4/x) Give the answer in the form Ax+B/Cx+D is the answer x+4/x-4

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