ccl4

189 results

Chemistry

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl4(l) from 25.0°C to gaseous CCl4 at 76.8°C (the normal boiling point for CCl4)? The specific heat of CCl4(l) is its heat of fusion is and its heat of vaporization is

Chemistry

Calculate the number of molecules in 3.11mol of CCL4 this is what I'm doing I got the molecular weight of CCL4 which is 181.88 Then I set it up like this 3.11 mol CCL4/ 181.88 mol CCL4 x 6.022E23 = 1.03E22 Am I right

equilibrium constant

find eq constant at 910K. CCl4 (g)--> <--CCl4(l) given: Gf CCl4(g)= -53.7 Gf CCl4(l)= -68.6 G Products - G reactants = Delta G. Delta G = -RT ln Keq

Chemistry

Why can't we apply Kd directly to a equilibrium solution of CCl4 and H2O,with CH3COOH dissolved? Do CH3COOH form polymers in CCl4? or are their single molecules of CH3COOH in CCl4?

Chemistry

Calculate the pressure that ccl4 will exert at 40 of 1.00 mol occupies 28.0 L, assuming that (a) CCl4 obeys the ideal-gas equation (b) CCl4 obeys the Van der Waals equation. (a) PV = nRT P = nRT / V (b) (P + n^2a/V^2)(V - nb) = nRT CCl4 = a = 20.4 L^2-atm/mol^2 b = 0.1383 L/mol

Chemistry

Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of the condensed vapor. ...

Chemisrty

Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of the condensed vapor. ...

Chemistry

Reposting with correct information..Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in ...

Thermodynamics

Heyy, Okay so I have a question that I'm trying to figure out how to do and I'm really lost, I was hoping somebody might be able to give me a hand. Thanks in advance. The question in general is, I know that the vapour pressure of CCl4 is 98mmHg at 25 degrees C. This also means...

chemistry

at 700 k the equilibrium constant for the reactions is Kp=0.76. Carbon tertrachrolide gas yields carbon solid and chlorine gas. A flask is charged with 2.00 atm of CCl4, which then reaches equilibrium at 700K. A) what is the fraction of the CCl4 is converted? b) what are the ...

chemistry

calculate the volume in ml of a sample of ccl4 having a mass of 80.0 g if the density of ccl4 is 1.60 g/ml.

chemistry help

calculate the volume in ml of a sample of ccl4 having a mass of 80.0 g if the density of ccl4 is 1.60 g/ml.

chemistry

How many numbers of molecules are contained in 24 litre ccl4? density of ccl4 = 1.59 gm

Chemistry

calulate the molality of solution that contains 51.2g C10H10 in 500mL of CCl4. the density of CCl4 is 1.6g/mL

chemistry

In a reaction between methane, CH4+ and chlorine, Cl2+ four products can form: CH3Cl, CH2Cl2 + CHCl3+ and CCl4. In a particular instance, 20.8 g of CH4 were allowed to react with excess Cl2 and gave 5.0 g CH3Cl, 25.5 g CH2Cl2+ and 59.0 g CHCl3+ all the CH4 reacted. a) How many...

Chemistry

In a reaction between methane, CH4 and chlorine, Cl2 four products can form: CH3Cl, CH2Cl2 + CHCl3 and CCl4. In a particular instance, 20.8 g of CH4 were allowed to react with excess Cl2 and gave 5.0 g CH3Cl, 25.5 g CH2Cl2+ and 59.0 g CHCl3+ all the CH4 reacted. a)How many ...

Chemistry

At 57.7°C, the vapor pressure of CCl4 is 56.1 kPa, and its enthalpy of vaporization is 29.82 kJ/mol. Use this information to estimate the normal boiling point (in °C) for CCl4.

chemistry

Why is there a difference in the heats of formation of CF4 and CCl4? I know that the bond length of CCl4(C--Cl) is longer than that of CF4(C--F), does this affect the heat of formation. Heat of formation are -225.709kcal/mol(CF4) and -28.120kcal/mol(CCl4).

College Chemistry

If 69.3g of magnesium chloride were produced from a process with a known yield of 78.3%, find the mass of carbon tetrachloride in grams that was used. Equation: 2CCl4 + MgCrO4 -> 2COCl2 + CrO2Cl2 + MgCl2 I was able to solve it but I just don't understand why it's wrong. ...

p chem

1/2 mole CCl4 @ 25 C was mixed with 1/2 mole CH2Cl2 @ 25C. The final T was 27 C. Calculate delta S mixing, delta S for CCl4 on heating, delta S for CH2Cl2 on heating, and delta S system. Assume 131.8 J/K for Cp for CCl4 and 100.0 J/K for Cp for CH2Cl2.

chemistry

0.5 mol CCl4 is introduced into a 10.0L flask.what fraction of the total volume of the flask is occupied by CCl4 molecules?

Chemistry

Consider the reaction CH4+ 2Cl2=CCl4. If .33 moles of CH4 is reacted with 1 mole of Cl2, how much CCl4 is produced?

Solution and colloids

Which pairs of liquids are likely to be miscible? a. H2O and CH3OH b. H2O and C6H6 c. C6H14 and CCl4 d. CCl4 and CH4OH

Chemistry

The U.S. Food and Drug Administration lists dichloromethane (CH2Cl2) and carbon tetrachloride (CCl4) among the many cancer-causing chlorinated organic compounds. what are the partial pressures of these substances in the vapor above a mixture containing 1.75 mol of CH2Cl2 and 1...

Chemistry

Carbon tetracholoride is made according to the following reaction: carbon disulfide + chlorine gas yields carbon tetrachloride and disulfur dichloride. Write the correct balanced equation and then determine how many grams of CS2 are needed to make 16 kilograms of CCl4. Ok so i...

Chemistry - Order of Bond Polarity

Hi I am having a bit of trouble with this question CCl4 is confusing me: Qu)Rank the following compounds in order of bond polarity; HF, CH4, H2O, H2S, CCl4 Asw)lowest to highest bond polarity: CH4, CCl4, H2S, H2O, HF Is this correct? Thanks!

Chemistry

The U.S. Food and Drug Administration lists dichloromethane (CH2Cl2) and carbon tetrachloride (CCL4) among the many cancer-causing organic compounds. what are the partial pressures of these substances in the vapor above a mixture containing 1.75 mol of CH2Cl2 and 1.95 mol of ...

Chemistry

Carbon tetrachloride CCl4 contains carbon (EN = 2.5) and chloride (EN = 3.0). Because of this, CCl4 is:

Chemistry

Which of the following pure liquids is the best solvent for sodium fluoride? CCl4 C2C6 HCl BCl3 or PCl5 My guess would be either CCl4 or C2C6, I need to know the reasoning behind the correct answer.

Chemistry

H(f) Cl= 121.3 kj H(f) C= 716.7 H(f) CCl4= -95.7 calculate the average molar bond enthalpy of the carbon-chlorine bond in a CCl4 molecule. I have tried to figure it out and keep getting the wrong answer. Please help!

Chemistry

For the reaction CS2+3Cl2=CCl4+S2Cl2, calculate the percent yield if 719 g of CCl4 are produced when 410 g of CS2 react w/ an excess of chlorine. I have absolutely no clue on how to do this!! If I could get some help that would be great!!

Chemistry

The solvent CCl4 is manufactured as follows CS2+Cl2=CCl4+S2Cl2. Balance it and calculate the grams of CS2 needed to react with 62.7 of Cl2?

Chemistry

If 61.0 g of gaseous Cl2 and 25.4 mL of liquid CS2 are reacted stoichiometrically according to the balanced equation, how many milliliters of liquid CCl4 are produced? CS2(l) + 3Cl2(g) → CCl4(l) + S2Cl2(l)

chemistry

The standard enthalpy of formation at 298k for ccl4,h2o,co2,hcl are -22.5,-57.8,-94.1 and-22.1 kcal/mol.calculate ▲rH FOR reaction ccl4+2h2o→co2+HCL

chemistry

I have a problem that states: Find the pressure of a sample of carbon tetrachloride, CCl4 if 1.00 mol occupies 35.0L at 77.0 degress C (slightly above its normal boiling point). Assume that CCl4 obeys (a) the ideal gas law; (b) the van der Waals equation. The van der Waals ...

Chemistry

What are the sizes of BCl3, CCl4, NCl3, and Cl2O in comparison to one another. For example BCl3<CCl4<NCl3.... I know that isn't right but I need to know this to find difference in bond lengths and some of these molecules are close together in size so I'm not sure. Thank ...

Chemistry

How many carbon tetrachloride (CCl4) molecules are in 3.00 mol of CCl4? How many carbon atoms? How many chlorine atoms? How many total atoms? I have no idea how to do all of this =\

chemistry

a solution consisting of 5.0 gm of an organic solute per 25 gm of CCl4 boils at 81.5 degree celecius .what is the molecular weight of the solute? If the boiling point is 76.8 degree celecius and Kb of CCl4 is 5.02 .

Chemistry(Please check, thanks)

Which choice below has the highest standard molar entropy? SiCl4(s), CCl4(g), CCl4(l), Si(Cl4(l) I know that the gas state has the largest entropy so SiCl4(s) would have the highest. Is my answer correct? Thank you!!

Chemistry

Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of the condensed vapor.

Chem22

Calculate ΔG (in kJ) for the reaction: CO2(g) + CCl4(g) = 2 COCl2(g) at 25oC under the conditions: CO2 = 0.120 atm, CCl4 = 0.162 atm, and COCl2 = 0.856 atm.

chemistry

Methane reacts with an excess of chlorine gas. [it's an equation] I have the reactants: CH4(g) + Cl2(g) --> ? I was thinking single replacement, making CCl4 for sure. I'm just not sure about that hydrogen, unless it's just H2, and when balanced the full reaction is this: ...

Chem

Carbon disulfide (CS2) reacts with excess chlorine (Cl2) to produce carbon tetrachloride (CCl4) and disulfur dichloride (S2Cl2). If 67.1 g of CS2 yields 45.2 g of CCl4, what is the percent yield? (Hint, you must first write the balanced equation.) 67.36 I tried this a couple ...

AP Chemistry

Calculate the delta H rxn for the following reaction: CH4(g)+4Cl2(g)-->CCl4(g)+4HCl Use the following reactions and given delta H's: 1) C(s)+2H2(g)-->CH4(g) delta H= -74.6 kJ 2) C(s)+2Cl2(g)-->CCl4(g) delta H= -95.7 kJ 3) H2(g)+Cl2(g)-->2HCl(g) delta H= -184.6 kJ ...

Chemistry

When 4.0 mol of CCl4 reacts with an excess of HF, 3.0 mol of CCl2F2 (Freon) is obtained. The equation for the reaction is CCl4(l) + 2HF(g) --> CCl2F2(l) + 2HCl9g) State which of the statements are true about the reaction and make the false statements true. (a) The ...

Chemistry

Determine ∆G° (in kcal) for the reaction CCl4(ℓ) + H2(g) HCl(g) + CHCl3(ℓ) at 25 °C under standard conditions. The following information is available: At 25 °C C(graphite) + 2Cl2(g) CCl4(ℓ) ∆S° = -56.23 cal K-1 C(graphite) + Cl2(g) + H2(g) ...

chemistry

A 2.97 g sample of a molecular compound is dissolved in 103 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51C, the normal boiling point of CCl4 is 61.2C. The boiling point constant for CCl4 is 4.95 K · kg/mol. What is the ...

Chemistry

A student ran the following reaction in the laboratory at 327 K: CH4(g) + CCl4(g) 2 CH2Cl2(g) When she introduced 4.07E-2 moles of CH4(g) and 7.57E-2 moles of CCl4(g) into a 1.00 Liter container, she found the equilibrium concentration of CH2Cl2(g) to be 1.21E-2 M. Calculate ...

AP Chem

A 1.73 g sample of a molecular compound is dissolved in 105 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51C, the normal boiling point of CCl4 is 61.2C. The boiling point constant for CCl4 is 4.95 K · kg/mol. What is the ...

Chemistry

A solution of iodine (I2) in carbon tetra-chloride(CCl4) is used when iodine is needed for certain chemical tests. how much iodine must be added to prepare a 0.480 m solution of iodine in CCl4 if 100.0g of carbon tetra-chloride is used?

Chemistry

How much heat is required to vaporize 1.00 L of CCl4 at its normal boiling point? The following data are given for CCl4. Normal melting point, -23 degree celcius , normal boiling point, 77 degree celcius density of liquid 1.59 g/mL; ; enthalpy of fusion 3.28 kJ/mol vapor ...

ap chemistry

A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane. The normal boiling point of the solution is 61.51 degrees celcius, the normal boiling point for CCl4 is 61.2 degrees celsius. The boiling point constant for CCl4 is 4.95K*kg/mol. What is the ...

chemistry

q1)Which entries below should have the highest standard molar entropy? a. SiCl4 (s) b. CCl4(l) c. CCl4 (g) d. SiCl4 (l) q2) For the above, which should have the next highest standard molar entropy?

chem

what is the % of CI in CCl4?

chemistry

why is CCl4 classified as a compound?

chemistry

how mant electron valences are in CCl4

chemistry

How many Cl atoms are in a 2.54g sample of CCl4?

chemistry

Decomposition of nitrogen pentoxide in ccl4

chemistry

Decomposition of nitrogen pentoxide in ccl4

Chemistry

How do you determine the number of moles in 78.6 grams of carbon tetrachloride (CCl4) ?

Chemistry

Which of the following has the highest vapor pressure? CCl4 CBr4 CH3CH3 CH3CHBr2

chemistry

which of the following molecules is polar? NO2 CO2 BF3 SF6 CCl4

Chemistry HELP

Calculate the number of molecules in 3.11 mol of CCL4 I got 2.88E26 am I correct

Chemistry

Number and arrangement of the electron pairs around: a. C in CCl4 b. S in H2S c. Al in AlH3 d. Ga in GaCl3

Chemistry

Number and arrangement of the electron pairs around: a. C in CCl4 b. S in H2S c. Al in AlH3 d. Ga in GaCl3

C

Classify each of the following by the type of solid if forms: a. LiCl b. BaCl2 c. BCl3 d. CCl4 e. NCl3

chemistry/science

Carbon tetrachloride, CCL4, is nonpolar. What force holds the molecules together?

chem

The concentration of a benzene solution prepared by mixing 12.0 g C6H6 with 38.0 g CCl4 is__________ molal.

chemistry

What is Delta H rxn for the following chemical reaction? H2O(l) + CCl4(l)-> COCl2(g) + 2HCl(g)

chemistry

The chemical formula CCl4 tells us that there are a total of how many atoms in each molecule of the compound? A. 2 B. 3 C. 4 D. 5 I say D

chemistry

what would be the volume of 0.05 mole of carbon tetra chloride gas ccl4 ar rtp

Chemistry

Draw the Lewis structure for each of these molecules. 1. PH3 2. H2S 3. HCl 4. CCl4 5. SiH4

Chemistry

Classify each of the following by the type of solid if forms: a. LiCl b. BaCl2 c. BCl3 d. CCl4 e. NCl3

Science

The compound which will form the strongest dipole between CCl4;CO2;BF3;HCL;PF3

chemistry

Which of the following would most likely act as a Bronsted-Lowry acid? OH- HCN CCl4 Mg(OH)+

Chemistry

Which of the following would be the best solvent for NH3 and why? CH3(CH2)4CH3, CCl4, CH3OH, BrCH2CH2CH3.

Chemistry

Identify the predominant intermolecular forces between molecules of each of the following compounds: a. CCl4 b. HF c. SO2 d. CH3COOH e. HI

Chemistry

Arrange the following compounds in order of increasing Boiling point: CH4, CHCl3, CCl4, CH3Cl

chemistry

1. A 2.00 g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85ºC. For pure CCl4, TB = 76.50ºC and KB = 5.03°C·kg/mol Calculate the boiling point elevation, ΔTB, for this ...

Chemistry

Manufacturing of Freon (CCl2F2): 2 HF(g) + CCl4(I) --> CCl2F2(g) + 2 HCl(g) Supplies on hand: 1.0kg HF and 1.0 kg CCl4. After the reaction was conducted, 0.44kg CCl2F2 was measured in the lab. 1) What is the theoretical yield of Freon? 2) What was the percent yield? 3) What...

Chemistry

which of the following compounds would you expect to exhibit only London forces? CCL4 CCLH CaI2 PCl5

AP Chemistry

A 2.5 gram sample of a hydrocarbon containing C, H, N, O is combusted in excess oxygen. The nitrogen compounds that are formed are treated to convert all of N to N2. The gases are passed through a CaCl2 drying tube which weighs 1.00 gram initially and 3.16 grams after the ...

chemistry

Calculate H0rxn for each of the following using data from Appendix B. (a) 2 H2S(g) + 3 O2(g) 2 SO2(g) + 2 H2O(g) b) CH4(g) + Cl2(g) CCl4(l) + HCl(g) [unbalanced]

chemistry

Predict the boiling point of the following compound using Trouton's Rule: Heat of vaporization/Tb= 80 J/K Carbon tetrachloride (CCl4) = ?? degrees Celsius

Chemistry

Carbon tetrachloride has an enthalpy of vaporization of 29.82kj/mol. If CCl4 has a normal boiling point of 350k, what is its vapor pressure at 273k? (R=8.31 J/molK)

Science help

For each of the following what type of smallest particle would exist? explain your reasoning? a.) strontium B.) CaCl2 C.) CCl4 D.) SO2 E.) helium F.) bromine G.) MgO Thanks :):):):)

Chemistry

For each of the following examples, decide whether it would be better to use the term molecule or formula unit. a. K2SO3 b. H2SO3 c. CCl4 d. NH4Cl

Chemistry

Determine the actual yield in grams of CCL4 if 175.0g of Cl2 reacts with meathane. The percentage yield of the reaction is 75.4%

Chemistry

which substance has a definite shape and a definite volume at STP ? (1)NaCl(aq) (2)Cl2(g) (3)CCl4(l) (4)AlCl3(s) is it 4 because its a solid? Am i right ?

Chemistry

Which solvent, water or hexane (CH3(CH2)4CH3), would you choose to dissolve each of the following substances? a. Ethanol (CH3CH2OH) b. CCl4 c. H2S d. Benzene (C6H6)

chemistry

Determine (a) the total number of Cl atoms in 125mL of liquid CCl4 (d= 1.589g/mL) and (b) the number of grams of carbon in 215 of sucrose, C12H22O11.

Biochemistry 105

8. Arrange the following molecules in the order of increasing polarity. a. (PH3, HCl, H2O, CCl4) b. (NH3, HF, H2O, HBr)

Chemistry

A chemist prepares a 45.0-g sample of carbon tetrachloride (CCl4). How many moles of this compound has she prepared? (Note: The atomic weight of carbon is 12.0 and of chlorine is 35.5.) how do i do this?

DrBob222 PLEASE HELP!

I posted this question already but you never replied back :( Consider the following reaction at 298 K: C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139 kJ/mol deltaS(sys)=? J/mol*K deltaS(surr)=? J/mol*K deltaS(univ)=? J/mol*K My answer...

Chemistry

How much heat is released when a mixture containing 10.0g CS2 and 10.0 g Cl2 reacts by the equation. CS2 + 3Cl2 ----> S2Cl2 + CCl4 Delta H = -230 kJ

Chem

How much heat is released when a mixture containing 10.0g CS2 and 10.0 g Cl2 reacts by the equation. CS2 + 3Cl2 ----> S2Cl2 + CCl4 Delta H = -230 kJ

Chemistry

If you reacted 100.0 g of carbon tetrachloride (CCl4) with excess antimony fluoride (SbF3), how many grams of carbon dichloride difluoride would be produced?

chem

Suppose you mix hydrogen, CCl4, CO2, NO2 and fluorine gases together and allow them to reach an equilibrium temperature. Which gas has the SLOWEST average molecular (or atomic) speed?

chemistry

which pair(s) of liquids will be miscible ? H2O AND CH3CH2CH2CH2CH3(PENTANE) C6H6 (BENZENE) AND CCl4(CHLOROFORM) C2H5OH (ETHANOL) AND CH3COOH(ACETIC ACID) how do you know if they are miscible?

chemistry

The mechanism of solubility depends on the solute and solvent. Describe on an ionic or molecular scale how each of the following dissolve: a.NaCl in H2O b.I2 in CCl4 c.CH3CH2OH in H2O

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