Chemistry concepts and calculations

iey contract tll eah only just accomplish a chin-up.very slowly, lle Yelevant mu

iey contract tll eah only just accomplish a chin-up.very slowly, lle Yelevant muscles perform work at 70 J/kg of musele, what must thefotal massof the muscles be as a percentage o…

if .700 g of thyroxine is dissolved in 9.5g benzene, the freezing point of the s

if .700 g of thyroxine is dissolved in 9.5g benzene, the freezing point of the solution is 5.184*C. Pure benzene freezes at 5.444*C and has a Kf 5.12*C/mol. What is the molar mass…

if 0.953 g of copper was actually recovered at the end of the entire experiment,

if 0.953 g of copper was actually recovered at the end of the entire experiment, what would be the percent yield? Please put 1 answer per blank. Give the numeric using correct sig…

if 1 liter of oxygen and 1 liter of nitrogen react according to the following eq

if 1 liter of oxygen and 1 liter of nitrogen react according to the following equation : O2(g) +N2(g) -> 2 NO(g), how much product will form? A) Cannot tell from the informaito…

if 1.0 mm diameter argon ion laser beam 514.5nm propagation through the air at r

if 1.0 mm diameter argon ion laser beam 514.5nm propagation through the air at reflective index n =1.000 passes through a series of three 10.0mm thick pieces of SI-UV suprasil fus…

if 100 mL of ammonia solution was placed at the bottom of the container what wou

if 100 mL of ammonia solution was placed at the bottom of the container what would its concentration need to be in order for the ammonia in the solution to be at equilibrium with …

if 2.34g of the vapor of a volatile liquid is able to fill a 567-ml flask at 26C

if 2.34g of the vapor of a volatile liquid is able to fill a 567-ml flask at 26C and 687mm Hg, what is the molecular weight of the liquid? *write answer in decimal for to one deci…

if 2.3g of H2 reacts with .5g O2, what is limiting? Produces .4g H2O what is the

if 2.3g of H2 reacts with .5g O2, what is limiting? Produces .4g H2O what is the percent yield?

if 2.3g of H2 reacts with .5g O2, what is limiting? Produces .4g H2O what is the

if 2.3g of H2 reacts with .5g O2, what is limiting? Produces .4g H2O what is the percent yield?

if 35 gms of H2O at 22.7 degree celcius is combined with 65 gms of H2O at 87.5 d

if 35 gms of H2O at 22.7 degree celcius is combined with 65 gms of H2O at 87.5 degree celcius, what is the final temperature of the mixture? the specific heat capacity of water is…

if 35.4 g of Al are treated with 721 mL of 5.86 M HCl, how many gof H gas will t

if 35.4 g of Al are treated with 721 mL of 5.86 M HCl, how many gof H gas will theoretically be formed? I think I am suppose to be balance the equation but I dontknow what my prod…

if 50.0 mL of 1.00 M HC2H3O2 (Ka= 1.8*10^-5) is titrated with 1.00 M NaOH. What

if 50.0 mL of 1.00 M HC2H3O2 (Ka= 1.8*10^-5) is titrated with 1.00 M NaOH. What is the pH of the solution after the following volumes of NaOH have been added? a)0.00mL b)25.00 mL …

if 75 ml of an agno3 solution reacts with enough cu to produce .25 ag by single

if 75 ml of an agno3 solution reacts with enough cu to produce .25 ag by single displacement what is molarity of initial agn03 solution if copper nitrate is other product

if K_eq = (K_eq1)^2 and K_eq1; [P][Q]/[R] then K_eq is: A. [R]/[P][Q] B. [P]^2[Q

if K_eq = (K_eq1)^2 and K_eq1; [P][Q]/[R] then K_eq is: A. [R]/[P][Q] B. [P]^2[Q]^2/[R] C. [R]^3/[P]^3[Q]^3 D. [P]^2[Q]^2/[R]^2 E. [R]^2/[P]^2[Q]^2 The equilibrium constant for th…

if a 40.0g block of copper at 100 degrees C is added to 100g of water at 25.0 de

if a 40.0g block of copper at 100 degrees C is added to 100g of water at 25.0 degrees C calculate the final temperature assuming no heat is lost to the surroundings. the specific …

if a lab group did not keep the flask submerged 1. Ifa lab group did not keep th

if a lab group did not keep the flask submerged 1. Ifa lab group did not keep the flask submerged in boiling water for a full ten minutes, and some unknown never vaporized, how wo…

if a plant produces 7.66 mol of C6H12O6, how many moles of H2O are needed? le Sl

if a plant produces 7.66 mol of C6H12O6, how many moles of H2O are needed? le Slides Fight Club Summary from LitCharts | The creators of SparkN condo - Google Searc te University,…

if a pure R isomer has a specific rotation of -121.0 degrees and a sample contai

if a pure R isomer has a specific rotation of -121.0 degrees and a sample contains 66.0% of the R isomer and 34.0% of its enantiomer, what is the observed specific rotation of the…

if a soln. of 1.0g of epinephrine in 50 mL of water was extracted with 100 mL of

if a soln. of 1.0g of epinephrine in 50 mL of water was extracted with 100 mL of diethyl ether, how much epinephrine would be extracted by the diethyl ether ? KD=2.0 g/mL diethyl …

if a solution containing 50.186G of mercury(ll) nitrate is allowed to react comp

if a solution containing 50.186G of mercury(ll) nitrate is allowed to react completely with a solution containing 15.488G of sodium dichromate how many grams of solid precipitate …

if a student left the lid off the calorimeter after adding the warm metal, would

if a student left the lid off the calorimeter after adding the warm metal, would the calculated value of SH for the unknown be higher, lower, or the same as it would be if the lid…

if a student see an iron scoopula, instead of a plastic one, to add the unknown

if a student see an iron scoopula, instead of a plastic one, to add the unknown metal to the HCl solution, will it affect the calculated molar mass of the unknown metal? if so, ho…

if alcohol contained water what effect would p-toluene sulfonic acid have on the

if alcohol contained water what effect would p-toluene sulfonic acid have on the yield of the product? Chem 312 -Organic Chemistry I Quiz #2 Section: 20 points 1.) (2.5 pts.) In w…

if an acetic acid/sodium acetate buffer solution is prepared from 100ml of 0.10M

if an acetic acid/sodium acetate buffer solution is prepared from 100ml of 0.10M acetic acid, what volume of 0.10M sodium acetate must be added to have a pH of 4.00 b) when mixed …

if an allele is dominant, then: one allele can mask the expression of a recessiv

if an allele is dominant, then: one allele can mask the expression of a recessive allele in a hybrid. its phenotype is expressed only in homozygous individuals.. its phenotype is …

if an allele is dominant, then: one allele can mask the expression of a recessiv

if an allele is dominant, then: one allele can mask the expression of a recessive allele in a hybrid. its phenotype is expressed only in homozygous individuals.. its phenotype is …

if an otherwise empty pressure cooker is filled with air of room temperature and

if an otherwise empty pressure cooker is filled with air of room temperature and then placed on a hot stove, what would be the magnitude of the net force F on the lid when the air…

if anyone can help I have an exam tonight (7pm), and this is part of the review!

if anyone can help I have an exam tonight (7pm), and this is part of the review! search- Shwe Mere>> 13) Binary hydrides can be dlassified as covalent, sansic, or metallic. …

if it is 20. Normally, a parcel of air warmer than the surrounding air; converse

if it is 20. Normally, a parcel of air warmer than the surrounding air; conversely, the air parcel will surrounding air if it is cooler than the remains stationary, sinks b. a. ri…

if it required 14.70 ml of iodine to titrate 50.00 ml of \"practice vitamin C\"

if it required 14.70 ml of iodine to titrate 50.00 ml of "practice vitamin C" solution, how many milligrams of vitamin C is present in each 1.00 ml of practice solution? 1.00 ml o…

if nitrogen has an average rate of diffusion of .126 cm/s atroom temp, what is t

if nitrogen has an average rate of diffusion of .126 cm/s atroom temp, what is the diffusion rate of helium at the sametemp I just set this one up like (.126/x) = (4.003/28.02)^1/…

if one can find the ratio of the number of moles of the elements in a compound t

if one can find the ratio of the number of moles of the elements in a compound to one another, one can find the formula of the compound. in certain compound of copper and oxygen, …

if one commits his or her time to an open source project, he or she may be inves

if one commits his or her time to an open source project, he or she may be invest a substantial amount of time without getting paid. As much as altruism is appreciable, I wonder w…

if possible please explain ! I am still iffy about this topic. Thanks 6) Conside

if possible please explain ! I am still iffy about this topic. Thanks 6) Consider the following reaction: SO2Cl2 (g) SO2 (g) + Cl2 (g) A. What is the oxidation state of S? S in SO…

if temperature increases are the reactions endo Prelab for Expt 11 1. What is th

if temperature increases are the reactions endo Prelab for Expt 11 1. What is the primary objective of this experiment? All three reactions that you will carry out in this experim…

if the [Zn2]-2.0 and Using the relationships ?G \"J\' = 2.0 M and [Ap.)-0.50 M,

if the [Zn2]-2.0 and Using the relationships ?G "J' = 2.0 M and [Ap.)-0.50 M, this would be a non-standard cen calculate non-standard cell potentials, the Nernst equation --nF? an…

if the concentration of Cu2+ is .50 M and the concentration of S2- is 40.0M and

if the concentration of Cu2+ is .50 M and the concentration of S2- is 40.0M and both solutions will dilute by a factor of 2, write the expression for the reaction quotient,Q for t…

if the equilibrium constant is 6.81- 10 what needs to Consider the reaction belo

if the equilibrium constant is 6.81- 10 what needs to Consider the reaction below. The reaction quotient for a specific moment is 2.27-10. happen in order for the reaction to reac…

if the formation of magnesium nitride is not taken into account and they grey re

if the formation of magnesium nitride is not taken into account and they grey residue after the initial heating is assumed to be wholly magnesium oxide, the experiment would take …

if the loss of 3500 is equal to a loss of 1.0lb, how many days will it take Char

if the loss of 3500 is equal to a loss of 1.0lb, how many days will it take Charles to loss 5.0lb? Express the time in days to two significant figures. dues from the table, answer…

if the percent yield for the following reaction is 65% how manygrams of KClo3 ar

if the percent yield for the following reaction is 65% how manygrams of KClo3 are needed to produce 42.0 g of O2?

if the temperature and pressure are such Exhibit 11-3 Consider the \"General Pha

if the temperature and pressure are such Exhibit 11-3 Consider the "General Phase Diagram" shown below to answer General Phase Diagram Temperature 6. Refer to Exhibit 11-3. If the…

if the temperature and pressure are such Exhibit 11-3 Consider the \"General Pha

if the temperature and pressure are such Exhibit 11-3 Consider the "General Phase Diagram" shown below to answer General Phase Diagram Temperature 6. Refer to Exhibit 11-3. If the…

if the volume of a flask is 175 ml and the mass of the vapor of the flask is 0.2

if the volume of a flask is 175 ml and the mass of the vapor of the flask is 0.2436 grams at 1.05 ATM and Write the equation that describes the reaction for each system in which y…

if there are 23 students in a class, and only 21 students came prepared with the

if there are 23 students in a class, and only 21 students came prepared with their pre-lectures, what percentage of the students came to class prepared? write out your work to sho…

if this correct? if not why? The bond between the hydrogen of one water molecule

if this correct? if not why? The bond between the hydrogen of one water molecule and the oxygen of a different water molecule Electrons are transferred from a metal atom to a nonm…

if this could be explained to me better, that would be great! thanks Model 2: lo

if this could be explained to me better, that would be great! thanks Model 2: lons are Potential Acids or Bases. All anions are potential bases Cl"(aq) + H20(1) HC1(aq) + OHtaq) N…

if water had been in the pipet when you pipetted the vinegar, would the calculat

if water had been in the pipet when you pipetted the vinegar, would the calculated molarity of acetic acid be: lower M, higher M, or the same M if water had been in the erlenmeyer…

if while preparing solutions A in Part One, the solution in the pipet turns brow

if while preparing solutions A in Part One, the solution in the pipet turns brownish red, explain what has happened and why it is necessary to repeat the preparation of the test t…

if you add K2SO4 to an aqueous solution in which the Ba^2+ and Ca^2+ concentrati

if you add K2SO4 to an aqueous solution in which the Ba^2+ and Ca^2+ concentration are both initially 0.010 M, which ion precipitates first? What concentration of SO4^2- is requir…