a certain reaction has the following generaln form

72,980 results, page 10

science

2Al+3H2SO4--> Al2(SO4)3+3H2 a.)determine the oxidation number of each element in both the reaction and products of this oxidation-reduction reaction of aluminum and sulfuric acid. b.) what element is oxidized in this reaction? c.) what element reduces in the reaction?

Chemistry

The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by the following mechanism: step 1 slow: H2O2 + I^- = H2O + OI^- step 2 fast: H2O2 + OI^- = H2O + O2 + I^- 1) What is the equation for the overall reaction? Use the smallest integer...

Chemistry

The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by the following mechanism: step 1 slow: H2O2 + I^- = H2O + OI^- step 2 fast: H2O2 + OI^- = H2O + O2 + I^- 1) What is the equation for the overall reaction? Use the smallest integer...

Physics

To stop a car, you require first a certain reaction time to begin braking. Then the car slows under the constant braking deceleration. Suppose that the total distance moved by your car during these two phases is 56.7 m when its initial speed is 80.0 km/h, and 24.4 m when the ...

Chemistry

Following question I need help with part b) Please verify my answer for part a) too if possible. Consider the following reaction for silver tarnishing: 3Ag2S(s) + 2Al(s) -> 6Ag(s) + Al2S3(s) a. State the oxidation number for each element in the reaction. 3Ag2S(s) + 2Al(s...

Biochemistry

An enzyme-catalyzed reaction was carried out in a 0.2M �Tris� buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1) (a) What was the ratio of Tris+ (conjugate acid) / Triso (Conjugate base) at the start of the ...

chemistry

The following reaction is at equilibrium at a pressure of 1 atm, in a closed container. NaOH(s) + CO2(g) NaHCO3(s); ΔH°rxn < 0 Which, if any, of the following actions will decrease the concentration of CO2 gas present at equilibrium? A. lowering the temperature B. ...

chemistry

Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the following reaction. CH4(g) + NH3(g) → HCN(g) + 3 H2(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations. N2(g) + 3 H2(g) → 2 NH3(g) Δ...

Chemistry

Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the following reaction. CH4(g) + NH3(g) → HCN(g) + 3 H2(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations. N2(g) + 3 H2(g) → 2 NH3(g) Δ...

Chemistry

I know that benzaldehyde decomposes into benzoic acid and benzyl alcohol via Cannizzaro Reaction.. But, can benzyl alcohol go through a Cannizzaro Reaction to form benzaldehyde and benzoic acid?

Chemistry

The following questions relate to acid base reactions. a) What type of reaction is said to occur when an acid reacts with a base.? ……………………………… b) What are the general products of such a reaction? i.e. An acid + a base produces...

chemistry

. An enzyme-catalyzed reaction was carried out in a 0.2M �Tris� buffer, pH 7.8. As a result of the reaction, 0.03 mole/liter of H+ was produced. (pKa of Tris =8.1) (a) What was the ratio of Tris+ (conjugate acid) / Triso (Conjugate base) at the start of the ...

U.S. Gov. & Economics

Which form of city government has an elected mayor? A. the commission form ****B. the mayor-council form C. the council-manager form D. the incorporation form Which is an important function of county government? A. taxing imports B. overseeing tribal governments ****C. running...

Chemistry

All of the following apply to the reaction A(g)+B(g)<==>C(g) as it is carried out at constant temperature in a rigid container EXCEPT: A)The total pressure decreases B)The rate of reaction decreases C)The entropy of the system decreases D)The number of molecules of C ...

Chemistry

Consider the following reaction. 2 CO (g) + O2 (g) −→ 2 CO2 (g) What is most likely true about the entropy change for this reaction? Delta Srxn < 0 or Delta Srxn > 0. Why is it Delta Srxn < 0 ?

chemistry

Using the following thermochemical data, what is the change in enthalpy for the following reaction? 2H¿(g) + 2C(s) + O¿(g) d C¿HOH(l)? C2H5OH(l) + 2O2(g) d 2CO2(g) + 2H2O(l),  DH = -875 kJ C(s) + O¿(g) d CO¿(g),  DH = -394.51 kJ H2(g) + ½O2(g) d H2O(l),  DH = -285.8 kJ

chemistry

For a certain chemical reaction, the rate constant at 250.0 °C is 0.00383 s-1 and the activation energy is 22.40 kilojoules. Calculate the value of the rate constant at 335.0 °C. a. 0.00513 s-1 b. 0.00946 s-1 c. 0.00787 s-1 d. 0.0224 s-1 e. 0.000640 s-1 b or c

physics

Gamma rays (ã-rays) are high-energy photons. In a certain nuclear reaction, a ã-ray of energy 0.510 MeV (million electronvolts) is produced. Compute the frequency of such a photon.

Haley

How to get from general form to intercept form in quadratic equations. I'm not sure if it's possible. Or how do you get from vertex form to intercept form. .?.

Chemistry

In an industrial process, the following reaction is carried out in the presence of a catalyst: C16H65 + Cl2 ¨ C16H65Cl12 Calculate the percentage yield if 164.57 grams of C16H65 are used in the reaction and 400.24 grams of C16H65Cl12 are produced.

CHEM

Consider the following balanced oxidation-reduction reaction: Cl2 + SO2 + 2 H2O --> 2 Cl^1- + SO4^2- + 4 H^1+ Based on the above reaction: 1) Which element is oxidized ? 2) How many electrons are lost by each atom ? 3) Which element is reduced ? 4) How many electrons are ...

Physical Science

When iron metal reacts with oxygen, the reaction can form Fe203. The balanced chemical equation I think is right is 4 Fe + 302----2Fe203. So I have 4 moles of iron + 3 moles of oxygen creates 2 moles of iron oxide. I need to find the number of moles of oxygen that are needed ...

trig

Give the component form of the resultant vector in the following. NOTE: Answer must be typed in using the following format -- including the parentheses: (#,#). u =(10, 5) -3u=

Algebra

Consider the following polynomial function F(x)=-2x^3-x^2+13x-6 to answer the following question. If (x+3) is a factor of f(x) rewrite f(x) in completely factored form and identify the zeros f(x).

Science help

Will someone please check my work for me? Molecules involved in a chemical reaction must meet to react. What is this concept called? entropy enthalpy collision theory<---- reaction rate 2. Which of the following equations is used to describe reaction rates? ∆H - T&#...

chemistry

Reactants for the following reaction are placed in a 10.0 L flask held at 250 degrees C and at initial partial pressures of 1.00 atm each. Calculate the final pressures of each reactant and product, assuming the reaction goes to completion. 4 N2O(g) + CH4(g) = 4N2(g) + 2H2O(g...

Chemistry

Explain why each of the following is incorrect: (a) Entropy increases in all spontaneous reactions. Wouldn't (a) be actually correct? Because when there's a spontaneous reaction, you have less stable molecules and more disorder. It will be lower in some reactions than in ...

Math

1. Factor Form : 1x1x1x1 Exponent Form : 1^4 Standard Form : 1 2. Factor Form :2x2x2 Exponent Form : 2^3 Standard : 8 3.Factor Form : (-6)(-6)(-6) Exponent Form : (-6)^3 Standard : -216 4.Factor Form : 5x5x5 Exponent form : 5^3 Standard 125

Urgent Spanish Check

A) Read the following sentence and choose which word is not correct in the context of the sentence. 1) La examen es difícil. La? 2) El árbol es verdes. el? B) The following sentence is written in singular form. Read the sentence, then choose the correct plural form. 1) Nicol...

chemistry

For the reaction shown below complete the following calculations. H2(g) + C2H4(g) --> C2H6(g) (a) Estimate the enthalpy of reaction using the bond energy values in Table 9.4. (b) Calculate the enthalpy of reaction, using standard enthalpies of formation. (ΔH°f for H2...

chemistry

Consider a light-sensitive reaction. What energy, in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 307kJ/mol?

biochemistry

You have a 100 mMoles of A in the 10 ml reaction mixture which contains buffer and enzyme. The reaction is allowed to reach equilibrium at 25 o C and you measure the concentration of B as 10 mM. What is the delta Go' for the reaction in KJ.

chemistry

Welders often use acetylene torches heat up the metal. The reaction is: C2H2(g) + 2.5O2(g) = 2CO2(g) + H2O(g) Calculate the ΔH of reaction for this reaction.

chemistry

In an industrial process, the following reaction is carried out in the presence of a catalyst: C2H51 + Cl2 → C2H51Cl12 Calculate the percentage yield if 405.58 grams of C2H51 are used in the reaction and 474.91 grams of C2H51Cl12 are produced.

Math

Julie is conducting an experiment where she placed 29.5 mL of water in a calorimeter at 15.0 °C. Then, 2.4 g of A (molar mass = 48.0 g/mol), also at 15.0°C, is added to the water in the calorimeter and the temperature of the solution increases to 28.0 °C. The following ...

Chemistry(Please help explain)

The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by the following mechanism: step 1 slow: H2O2 + I^- = H2O + OI^- step 2 fast: H2O2 + OI^- = H2O + O2 + I^- 1) What is the equation for the overall reaction? Use the smallest integer...

chemistry

Reaction with Felings solution,if adding 2-butanol to potassium dichromate, in this experiment what spiecfic organic product would be form and structure.

Chemistry

Consider the reaction below : P4(s) + 5O2(g) ---> P4O10(s) How many grams of phosphorus react with 4.745 x 10^1 L of oxygen at STP to form tetraphosphorus decaoxide?

Chemistry

For the reaction, calculate how many grams of the product form when 3.0 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)

solar energy please help

In this section, we talked about combining a solar cell with a photoelectrode to form a photoelectrochemical device. Why do we add a solar cell in the system? a)Because the photoelectrode is not able to produce any voltage difference to drive the reaction b)Because the ...

Chemistry

please help! I don't understand any of this. Using the Solubility Rules, write the balanced molecular, total ionic, and net ionic equations (including physical states) for the following: Hints: There is no such thing as an Na3+. Na is in group 1A, so you know it can only form ...

Chemistry

Is the following reaction spontaneous at 25*C? delta s reaction = -217 J/K*mol delta H rxn = -1202 KJ 2Mg (s) + O2 (g) -> 2MgO (s) delta suniverse = delta s system - delta H system / T i got positive (+) 3.81 x 10 ^ 3 J/K and my notes says it is spontaneous but i feel like ...

maths help plz

A certain number of children are arranged in a circular form,if they are evenly spaced,the 7th child is directly opposite to the 8th child.... how many children are their altogether? thanks

English

Write the verbs in the following sentences. Then identify each verb as bse form (b), present participle with auxiliary verb (pp), simple past form (past), or past participle with auxiliary very (past p), Some of the sentences have two verbs. First Sentence: Because early ...

Chemistry

In which direction will the net reaction proceed. X(g) + Y(g) <==> Z(g) .. Kp = 1.00 at 300k for each of these sets of initial conditions? 1) [X] = [Y] = [Z] = 1.0 M a] net reaction goes to the left [this one?] b] net reaction goes to the right c] reaction is at ...

Advanced Biology

Certain_________ block prokaryotic ribosomes, but not those of eukaryotes. Certain proteobacteria________ nitrogen. The earliest life form may have been a_________ that obtained energy from inorganic compounds. The answers to these fills in a crossword puzzle.

Physical Science

Predict the shift of equilibrium for each of the following conditions in the following reaction involving gaseous reactants and products: N2 + 3H2 = 2NH3 + heat A. the pressure is increased. b. the temperature is decreased.

Chemistry

Hi I need help with these following questions. I have all of the data needed. Calculate the enthalpy change of the reaction for each trial (in kJ) 3. Calculate the heat released by the reaction for each trial (in J): 2. Calculate the heat absorbed by the calorimeter for each ...

chemistry

consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7 2.75×10^-5 7 ...

Chemistry

Nitrogen Dioxide NO2 decomposes upon heating to form nitric oxide and oxygen according to the following equation: 2NO2(g) --> 2NO(g) + O2(g) At the beginning of an experiment the concentration of nitrogen dioxide in a reaction vessel was 0.113 mol/L. After 60.0 s, the ...

Chemistry please help

A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data: Expt (A). (B) initial (C)/t 1. 0.150. 0.150. 8.00 x10^-3 2. 0.150. 0.300. 1.60 x10^-2 3. 0.300. 0.150. 8.00 x10^-3 What is the order of the reaction with respect to B? What is the ...

chem

5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form the colourless manganese (II) ion. The difference is...

Chemistry(Can someone please answer!!)

The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by the following mechanism: step 1 slow: H2O2 + I^- = H2O + OI^- step 2 fast: H2O2 + OI^- = H2O + O2 + I^- 1) What is the equation for the overall reaction? Use the smallest integer...

chemistry

Butadiene, C4H6, in the gas phase undergoes a reaction to produce C8H12. The following data were obtained for the reaction. [C4H6] Time (min) 1 0 0.98 20 0.91 100 0.66 500 0.49 1000 0.32 2000 0.25 3000 Determine the order of the reaction. Order with respect to [C4H6] = 2 ...

Chemistry

The following rearrangement reaction is first order: C3H6 ¨ CH3CH=CH2 The rate constant for this reaction is 6.7 ~ 10−4. How many minutes will it take for the concentration of C3H6 to drop to 11.75% of its initial value? How do I calculate this step by step. My ...

Chemistry

What kind of reaction is this (redox, precipitation, acid-base, or complex ion formation reaction)? 1. 3 Ca(s) + 2 Al^3+(aq) -> 3 Ca^2+(aq) + 2 Al(s) 2. LiHCO3(s) + heat -> Li2CO3(s) + CO2(g) + H2O(g) Complete the reaction: Ni(s) + 2 Na^+(aq) -> ?

Chemistry

Okay, this is a question in several parts that really stumps me: Given the following reaction determine the rate of expression (CH3)3CBr + OH -----> (CH3)3COH + r [(CH3)3CBr] OH Initial reaction rate (mol L-1 sec-1) .10 .10 1.0 x 10 ^ -3 .20 .10 2.0 x 10 ^ -3 .30 .10 3.0 x ...

chemistry-balanced redox equations

Use the following steps to balance the redox reaction below: Mg + Au+ Mg2+ + Au a. Write the oxidation and reduction half-reactions. Make sure each half-reaction is balanced for number of atoms and charge b. Multiply each half-reaction by the correct number, in order to ...

ap chemistry :(

consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ...

chemistry

Hi, I am trying to find the pH of a buffer I created and then added NaOH to. This is my data: total volume of solution 34.2 mL [NaOH] before reaction 6.0 [HOAc] before reaction .8 M [OAc-] before reaction .4 M [HOAc] after reaction 0 M [OAc-] after reaction 5.2 M So, how would...

science

Write balanced chemical equations (using symbols) for the following reactions 1.hydrochloric acid reacts with magnesium to form magnesium chloride and hydrogen 2.Nitrogen monoxide burns in oxygen to form nitrogen dioxide

Temperature and Rate

Q: The activation energy of a certain reaction is 32.9 kJ/mol At 25 degrees C the rate constant is 0.0160 units s-1 units. At what temperature in degrees Celsius would this reaction go twice as fast? My work: ln(0.0160/0.032) = (32.9 x 10-3/8.314)(1/T2 - 1/298.15) -0.6931 = 3,...

Chemitry

Nitrogen dioxide, NO2, decomposes upon heating to form nitric oxide and oxygen according to the following equation: 2NO2(g)---->2NO(g) + O2(g) At the beginning of an experiment, the concentration of nitrogen dioxide in a reaction vessel was 0.1103 mol/L. After 60.0 sec, the...

analytical chemistry

Consider a general reaction where a ligand L and a metal ion Mn+ form a complex with m number of ligands (L) coordinated to each metal ions. Assume the metal is colorless. The ligand and metal solutions were mixed at molar fractions (and same total molar concentration). The ...

chemistry

The standard free energy of activation of a reaction A is 78.2 kJ mol–1 (18.7 kcal mol–1) at 298 K. Reaction B is ten million times faster than reaction A at the same temperature. The products of each reaction are 10.0 kJ mol–1 (2.39 kcal mol–1) more stable than the ...

Math

Write an equation in point-slope form to represent the situation. Assume a linear relationship between the given quantities. In 1998, the deer population of a certain area was 1200. In 2006, the population was 2000.

ap chemistry

what does H2 + CH2 form? (what product?) What is CH2? There is a (CH)2 but I don't know of a CH2. Yes, I meant to ask: What product is formed by this reaction: H2 + (CH)2 My original answer is gone but I will repost. (CH)2 is HCtriplebondCH which is acetylene. H2 gas adds ...

chemistry

Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with oxygen gas to form ...

biology

Which of the following processes releases energy to be used by a cell? a phosphate group is added to ATP to form ADP. a phosphate group is removed from ADP to form ATP. a phosphate group is added to ADP to form ATP. a phosphate group is removed from ATP to form ADP. not sure ...

Biology

Okay so if i have two enzyme catalyzed reactions: 1) delta g of the ES = -22kJ/mol 2) delta g od the ES = 42 kJ/mol Is this first reaction going to have a higher reaction rate because the of the negative delta g, because doesnt a negative delta g give you a spontaneous ...

College Chemistry

For the following reaction: A + 3B ¨ 4C Which of the following provides the direct link between the amount of reactant A and the amount of product C?

chemistry

Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored (forward, reverse, or neither) H2(g)+Cl2(g)<=>2HCl(g) +184 kJ A)addition of Cl2 B)removal of HCl C)increased pressure D)decreased temperature E)...

College Chemistry (DrBob222)

The decomposition of HCO2H follows first-order kinetics. HCO2H(g) CO2(g) + H2(g) The half-life for the reaction at a certain temperature is 44 seconds. How many seconds are needed for the formic acid concentration to decrease by 73%?

physics

A police driving test concluded that a certain female driver had a reaction time of 0.5s. If her car had a maximum deceleration of 5.00ms^-2, what is the least distance in which she can bring the car to a rest from a speed of 10ms^-1?

Chemistry

The following is a Limiting Reactant problem: Magnesium nitride is formed in the reaction of magnesium metal with nitrogen gas in this reaction: 3 Mg(s) + N2(g)  Mg3N2(s) How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)? Show all ...

Trigonometry

Given the rectangular-form point (–1, 4), which of the following is an approximate primary representation in polar form? A. −(4.12, 1.82) B. (−4.12, −1.33) C. (4.12, 1.82) D. (4.12, 4.96) Change 8 cis 240degrees to rectangular form. A. -4(Square root 3)-4i ...

General Chemistry

Sodium Hydroxide reacts with hydrobromic acid to yield two products. Write out a balanced molecular reaction, overall ionic reaction and a net ion reaction. I have the molecular reaction, which I got: NaOH + HBr -> NaBr + H20 Correct? Any help with the next two?

Chemistry

A certain substance undergoes decomposition by a first-order reaction which has equal to 30.0 minutes. If the initial concentration of the substance is 1.28 mol/liter, what will its concentration be after 2.50 hours? 1. 0.36 M 2. 0.040 M 3. -0.32 M 4. 0.020 M 5. 0.16 M 6. None...

Chemistry

1. Write a balanced molecular equation for the reaction of solid AgNO3 with aqueous NaCl. Be sure to include the correct number of coefficients and the state of the species (aq, s, l or g). 2. Write the total ionic equation for this reaction, including all physical states. 3. ...

ap chemistry :(

consider the reaction C6H14 + 9.5O2 yields 6CO2 + &H2) at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no work is done as the ...

chemistry

What is a neutralization reaction? A. A reaction that involves neutral reactants B. A reaction in which the reactants are a salt and water C. A reaction in which the product is either acidic or basic D. A reaction that removes essentially all H+ and OH- I know that it isn't A ...

chemistry

For the reaction N2O4(g) ---> 2NO2(g) ,which of the following disturbances will cause an increase in NO2(g) concentration? 1. a decrease in temperature 2. removal of some N2O4(g) 3. need H for the reaction to predict 4. an increase in temperature 5. an increase in pressure

Chemistry

Determine Kc for the following reaction: 1/2N2(g) + 1/2O2(g)+ 1/2Br(g) <-> NOBr(g) from the following information (at 298K) 2No(g) <-> N2(g) + O2(g) Kc = 2.1x10^30 NO(g) + 1/2Br2(g) <-> NOBr(g) Kc = 1.4

Chemistry

1. What would be the effect on the reaction rate if the [O2] were doubled? 2. What would be the effect on the reaction rate if the pressure on the reaction were doubled? 3. Assume the reaction is reversible and at equilibrium. What shifts in the equilibrium of this reaction ...

Chem

An important process for the production of acrylonitrile C3H3N is given by the following reaction 2C3H6 + 2NH3 + 3O2 --> 2C3H3N + 6H2O A 150 -L reactor is charged tot he following partial pressures at 25 C

Chemistry

Consider the following reaction. CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) ÄH = -891 kJ Calculate the enthalpy change for each of the following cases. 1.00 103 L methane gas at 719 torr and 26°C is burned in excess oxygen.

chemistry

Write the reactants and products of the reaction between zinc and oxygen. Include the half-reactions. What type of reaction is this? I know the reaction is 2Zn + O2 -> 2ZnO I am not really sure where to go from here.

chemistry

Write the equation for the decomposition of HI, knowing that the reaction requires 9.4 kj/mol of hydrogen forming. If 100.0 kj of energy are added, how many grams of iodine will form.

Chemistry

what mass of nitrogen dioxide (8NO2) will form by reaction of 3.50 mole of perchloric acid (13HClO4) with excess methylamine (8CH3NH2)? Answer is 99.1 g. How do you work this?

science

Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide and water.

chemistry

The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O2(g) → 2BaO (s) How many kJ of heat are released when 5.75 g of Ba (s) reacts completely with oxygen to form BaO (s)?

Chemistry

For the reaction, calculate how many grams of the product form when 3.2 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)

Spanish

Can someone help me with this please Re-write the following dialogue adding the correct form of “estar” or the gerundio of the verb (other than estar) in parenthesis to form the present progressive form. Jose: Hola María. ¿Qué ___(5)___ (ESTAR tú) haciendo (doing)? Mar...

chemistry

Based on reaction kinetics, which of the following pairs of reactions and reaction rate equations represent elementary reactions? You may choose more than one reaction. Ti + 2Cl2 = TiCl4 Rate = k[Ti][Cl2] 2SO2 + O2 = 2SO3 Rate = k[O2][SO2]2 Na2S + CuSO4 = CuS + Na2SO4 Rate = k...

English

Identify the prepositional phrases in the following sentences. 4. Clusters of stars form constellations. PP= of stars 5. Seven very bright stars surrounded by dust form the Seven Sisters. PP= form the Seven Sisters, PP= Seven very bright Identify the prepositional phrases in ...

Chemistry Stoichiometry

Sulfuric acid can dissolve aluminum metal according to the following reaction. Suppose you wanted to dissolve an aluminum block with a mass of 25.7 . How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

chemistry

Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= -852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the liberated heat is ...

chemistry

Thermite mixtures are used for certain types of weldings and the thermite reaction is highly exothermic. Given delta H= -852 KJ/mol, 1 mole of granular Fe2O3 and 2 moles of granular aluminum are mixed at room temperature and the reaction is initiated. the liberated heat is ...

AP Chemistry

(a) When 300.0 milliliters of a solution of 0.200 molar AgNO3 is mixed with 100.0 milliliters of a 0.0500 molar CaCl2 solution, what is the concentration of silver ion after the reaction has gone to completion? (b)Write the net cell reaction for a cell formed by placing a ...

chemistry

Consider the following reaction at equilibrium: 2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle predicts that increasing the temperature will shift the reaction to the. a) stays same b)leftc)none d)right i was told right by some people and ...

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