Description : A 15-year-old girl was seen by her family physician because of increasing lethargy. She had a recent history of the "flu". Biochemistry tests show that she has renal impairement. ... will likely develop a restrictive lung disease 5) She will probably improve with additional corticosteroid therapy
Last Answer : Answers-2 The findings point to focal segmental glomerulosclerosis (FSGS), which leads to chronic renal failure in half of cases. The lack of resolution with corticosteroid therapy and the progression to chronic renal failure is what sets FSGS apart from minimal change disease.
Description : A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill ... ) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism
Last Answer : Answers-5 This patient has tooth erosion associated with hypokalaemic metabolic alkalosis and hypocalcaemia. This suggests a diagnosis of hypoparathyroidism. Conn's is unlikely in this age group, is ... raised alkaline phosphatase would not be expected. Early pregnancy would not fit this picture.
Description : How many significant digits in the number 74.30?
Last Answer : Feel Free to Answer
Description : What is the number of significant digits for 450000?
Last Answer : two of them.
Description : What would the final freezing point of water be if 3 mol of sugar were added to 1 kg of water kf1.86 c molkg for water and I 1 for sugar?
Description : Can anyone help me with this? Chlorine and carbon monoxide gases are mixed in a 1.00L container and the following equilibrium is established: CO(g) + Cl2(g) COCl2(g).. Initially 1.5 mol of ... monoxide. At equilibrium, 0.8 mol of COCl2(g) was found. How do you calculate the percent reaction?
Last Answer : For a start, your equation isn't balanced; it should be Cl2 (Cl2, not 2Cl, because of HONClBrIF). Given this, if we assume the reaction goes to completion, 1.5 mol Cl2 will produce 1.5 mol ... .3% Incidentally, is that supposed to be CO or Co? It has no effect on the calculation, just curious.
Description : Calculate the enthalpy of vaporisation per mole for ethanol. Given `DeltaS = 109.8 J K^(-1) mol^(-1)` and boiling point of ethanol is `78.5^(@)`.
Last Answer : Calculate the enthalpy of vaporisation per mole for ethanol. Given `DeltaS = 109.8 J K^(-1) mol^(-1)` ... KJ mol^(-1)` D. Some more data is required
Description : Standard enthalpy of formation of ethane is -84.7kjper mol calculate the enthalpy change for the formation of 0.1kg ethane
Last Answer : Standard enthalpy of formation of ethane is -84.7kjper mol calculate the enthalpy change for the formation of 0.1kg ethane
Description : Calculate the most appropriate unit cost for a distribution division of a multinational company using the following information. Miles travelled 636,500 Tonnes carried 2,479 Number of drivers 20 Hours worked by drivers 35,520 Tonnes miles ... 800 (a) Rs .88 (b) Rs 1.50 (c) Rs 15.84 (d) Rs28, 140
Last Answer : (d) Rs28, 140
Description : I forgot the last digit of a 7-digit telephone number. If I randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number? a) 1/1001 b) 1/1000 c) 1/999 d) 1/990
Last Answer : b) 1/1000
Description : How many significant digits are there in 140.7?
Last Answer : All four of them
Description : 2.6272 mol of Ne is held at 2.0999 atm and 653.33 °C. What is the volume of its container in liters ____ L?
Last Answer : 95.149(Explanation): use ideal gas law in full to solve for volume in liters. Plug in what we know (pressure, number of moles, and gas constant r which is always 0.0821, temperature in kelvin!!) to get ... Now divide both sides by 2.0999 to get V=95.14882035. Round to 5 sig figs to get 95.149
Description : For a reaction `2X(s)+2Y(s)rarr 2Cl(l)+D(g)` The `q_(p)` at `27^(@)C` is -28 K Cal. `mol^(-1)`. The `q_(V)` is ___________ K. Cal. `mol^(-1)` :-
Last Answer : For a reaction `2X(s)+2Y(s)rarr 2Cl(l)+D(g)` The `q_(p)` at `27^(@)C` is -28 K Cal. `mol^(-1)`. The `q_( ... . `-27.4` B. `+27.4` C. `-28.6` D. `28.6`
Description : The value of enthalpy change `(DeltaH)` for the reaction `C_(2)H_(5)OH (l)+3O_(2) (g) rarr 2CO_(2) (g) +3H_(2)O (l)` at `27^(@)C` is `-1366.5 kJ mol^(
Last Answer : The value of enthalpy change `(DeltaH)` for the reaction `C_(2)H_(5)OH (l)+3O_(2) (g) rarr 2CO_(2) (g) + ... 1369. kJ` C. `-1364.0 kJ` D. `-1361.5 kJ`
Description : The enthalpy and entropy change for the reaction, `Br_(2)(l)+Cl_(2)(g)rarr2BrCl(g)` are `30KJmol^(-1)` and `105JK^(-1)mol^(-1)` respectively. The temp
Last Answer : The enthalpy and entropy change for the reaction, `Br_(2)(l)+Cl_(2)(g)rarr2BrCl(g)` are `30KJmol^(-1)` and ` ... 285.7 K B. 273 K C. 450 K D. 300 K
Description : A 20 L container holds 0.650 mol of He gas at 37 °C at a pressure of 628.3 bar.
Last Answer : A 20 L container holds 0.650 mol of He gas at 37°C at a pressure of 628.3 bar. What will be new ... and 1.25 mol of additional He gas was added to it?
Description : What is the molarity of a solution that contains 0.40 mol HCl in 9.79 L solution?
Last Answer : The molarity is 0,041
Description : The parameters of Transmission line are R = 50 Ω/ km, L= 1mH/km ,C = 0.1µf/km, G = 2µV/km. calculate characteristic impedance.
Last Answer : The parameters of Transmission line are R = 50 Ω/ km, L= 1mH/km ,C = 0.1µf/km, G = 2µV/km. calculate characteristic impedance.
Description : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `._(2)^(4)He` by proton bombardment. Mass of `._(3)^(7)L
Last Answer : Calculate the energy released in kilowatt-hours when 100g of `._(3)^(7)Li` are converted into `. ... = 1.0081 amu. Write down the nuclear reaction.
Description : A compound with molecular mass 180 is acylated with `CH_(3)COCl` to get a compound with molecular mass 390. the number of amino groups present per mol
Last Answer : A compound with molecular mass 180 is acylated with `CH_(3)COCl` to get a compound with molecular mass 390. the ... compounds is A. 2 B. 5 C. 4 D. 6
Description : What intermolecular forces exist in CH3OH?
Last Answer : Need answer
Description : How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 4.5 M CH3OH?
Last Answer : The answer is 9.6 grams.
Description : Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH
Last Answer : (3) it forms a solid CaCl2 × 4CH3OH
Description : Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH
Last Answer : CH3OH and conc. H2SO4
Description : Anisole on heating with concentrated HI gives (a) Iodobenzene (b) Phenol + CH3I (c) Iodobenzene + CH3OH (d) Phenol + CH3OH
Last Answer : Phenol + CH3I
Description : Methylamine reacts with nitrous acid to form (a) CH3CH3 (b) CH3OH (c) CH3NO2 (d) CH3CH2OH
Last Answer : CH3OH
Description : Which of the following is least soluble in water? (a) CH3OH (b) CH3CH2OH (c) CH3SH (d) HOCH2CH2OH
Last Answer : CH3SH
Description : Which of the following pairs of compounds will not form hydrogen bonds with each other? (a) CH3OH and CH3CH2OH (b) CH3SH and CH3CH2SH (c) CH3OCH3 and CH3CH2OCH2CH3 (d) CH3COOH and H2O
Last Answer : CH3OCH3 and CH3CH2OCH2CH3
Description : Which of the following is the best method for preparing CH3Br? (a) CH3OH + Br– (b) CH3OH + HBr (c) CH3OH + Br2 (d) CH3OH + NaBr
Last Answer : CH3OH + HBr
Description : Which of the following has the highest boiling point? (a) CH3CH2OH (b) CH3CH2CH2CH2OH (c) CH3OH (d) CH3CH2CH2OH
Last Answer : CH3CH2CH2CH2OH
Description : Which of the following is the strongest base? (a) HOMgBr (b) H2O (c) CH3OH (d) CH3MgBr
Last Answer : CH3MgBr
Description : Which of the following has the greatest solubility in CH3CH2CH2CH3? (a) CH3OH (b) CH3NH2 (c) CH3OCH3 (d) (CH3)3CH
Last Answer : (CH3)3CH
Description : Which of the following is the strongest acid? (a) HI (b) H2O (c) CH4 (d) CH3OH
Last Answer : HI
Description : Which of the following is a Lewis acid? (a) AlCl3 (b) CH3OH (c) NH3 (d) CH3OCH3
Last Answer : AlCl3
Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule
Last Answer : ANSWER: X -- HYDROGEN ION
Description : The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol
Last Answer : ANSWER: Z -- METHANOL
Description : Molarity and Molality of a solution of an liquid (mol. Wt. = 50) in aqueous solution is 9 and 10 respectively. What is the density of solution ?
Last Answer : Molarity and Molality of a solution of an liquid (mol. Wt. = 50) in aqueous solution is 9 and 10 respectively. What ... /cc C. 1.05 g/cc D. 1.35 g/cc
Description : What is the average velocity of atoms in 1.50 mol of neon at 278 k?
Last Answer : What is the answer ?
Description : Which of the following actions would be an appropriate response by companies to improve the public's perception of their financial reporting? a. Requiring internal auditors to report all significant ... external and internal auditing work separated to maintain independence. d. None of the above.
Last Answer : Increased adoption of audit committees.
Description : What is the mass of 3.000 mol of calcium?
Last Answer : 40.078 grams
Description : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is
Last Answer : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is A. 72 g B. 36 g C. 24 g D. 94 g
Description : In an organic compound of molar mass `108 gm mol^-1 C, H and N` atoms are presents in `9 : 1 : 3.5` by mass. Molecular can be
Last Answer : In an organic compound of molar mass `108 gm mol^-1 C, H and N` atoms are presents in `9 : 1 : 3.5` by mass. ... (5)H_(6)N_(3)` D. `C_(4)H_(18)N_(3)`
Description : The volume strength of `1M H_(2)O_(2)` is (Molar mass of `H_(2)O_(2) = 34 g mol^(-1)`)
Last Answer : The volume strength of `1M H_(2)O_(2)` is (Molar mass of `H_(2)O_(2) = 34 g mol^(-1)`) A. `11.35` B. `22.4` C. `16.8` D. `5.6`
Description : the hardness of a water sample (in terms of Equivalents of `CaCO_(3)`) containing `10^(-3)MCaSO_(4)` Is : (Molar mass of `CaSO_(4)=1365h mol^(-1)`)
Last Answer : the hardness of a water sample (in terms of Equivalents of `CaCO_(3)`) containing `10^(-3)MCaSO_(4)` Is : ( ... 10 ppm B. 50 ppm C. 90 ppm D. 100 ppm
Description : A solution containing 2.675 g of `CoCl_(3).6NH_(3)` (molar mass `= 267.5 g mol^(-1)`) is passed through a cation exchanger. The chloride ions obtained
Last Answer : A solution containing 2.675 g of `CoCl_(3).6NH_(3)` (molar mass `= 267.5 g mol^(-1)`) is passed through a ... _(3)]` D. `[CoCl(NH_(3))_(5)]Cl_(2)`
Description : What is the mass of 3.00 mol of NH3?
Description : If 0.905 mol of Al2O3 is produced what mass of iron is also produced?
Description : Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.
Last Answer : Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.
Description : Calculate the coefficient of static friction for an object of mass 50 kg placed on horizontal table
Last Answer : Calculate the coefficient of static friction for an object of mass 50 kg placed on horizontal ... object just moves when spring balance shows 50N.
Description : A cantilever shaft having 50 mm diameter and length of 300 mm has a disc of mass 100 kg at its free enD. The Young’s modulus for the shaft material is 200 GN/m 2 . Calculate the natural longitudinal frequency in Hz. A. 575B. 625 C. 525 D. 550
Last Answer : A. 575