Chemistry concepts and calculations

1a.) The face centered cubic unit cell contains both 6 and 4 coordinate holes. T

1a.) The face centered cubic unit cell contains both 6 and 4 coordinate holes. These are commonly referred to as octahedral and tetrahedral holes respectively. Determine the numer…

1a.Consider a neutral carbon atom that has six electrons orbiting the nucleus. S

1a.Consider a neutral carbon atom that has six electrons orbiting the nucleus. Suppose that five of the electrons are in their lowest states, but the sixth is in a very high state…

1b) Express your answer with the appropriate units. 3) Write a molecular equatio

1b) Express your answer with the appropriate units. 3) Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no…

1b)The decomposition of nitramide in aqueous solution at 25 °C NH2NO2(aq)N2O(g)

1b)The decomposition of nitramide in aqueous solution at 25 °C NH2NO2(aq)N2O(g) + H2O(l) is first order in NH2NO2 with a rate constant of 4.70×10-5 s-1. If the initial concentrati…

1b. Calculate the exact molarity of a solution of NaOH if 55.00 mL of it is need

1b. Calculate the exact molarity of a solution of NaOH if 55.00 mL of it is needed to titrate an amount of KHP that equals your average mass (that you stated above). Average is 50…

1b. Which of the following pairs of 0.1 M aqueous solutions would result in the

1b. Which of the following pairs of 0.1 M aqueous solutions would result in the formation of a precipitate upon mixing? a) lead(II) acetate + potassium hydroxide b) ammonium aceta…

1d You have probably been involved in several projects in which you were exposed

1d You have probably been involved in several projects in which you were exposed to the discipline of project management either as a subject, if you were the manager, or as a reso…

1e. Which of the following compounds will produce a basic solution when dissolve

1e. Which of the following compounds will produce a basic solution when dissolved in water 11. Write a balanced net ionic equation for the reaction of sqaeous solutions of baking …

1etic acid solution if 34.57 ml of this solution are needed to (aq)+ NaOH (aq)Na

1etic acid solution if 34.57 ml of this solution are needed to (aq)+ NaOH (aq)Na (aq)+ CH,COO(aq)+H2O ) 6. Calculate the molarity of an neutralize 25.19 mL of 0.1025 M sodium hydr…

1g Ca(OH)2 in 125mL flask fill half with distilled water 1g Ca(OH)2 in 125nL fla

1g Ca(OH)2 in 125mL flask fill half with distilled water 1g Ca(OH)2 in 125nL flask fill half full with .010 M CaCl2 Pre-lab Assignment (25 pts) - must be turned in at the start of…

1g, 2c, and 2g I need an answer to thank you very much and make it clear please

1g, 2c, and 2g I need an answer to thank you very much and make it clear please 1. A metal sample weighing 45.2 g and at a temperature of 100.0°C was placed in 38.6 g of water in …

1lakeuiz [Cumipstibility Mede] Werd ?- × FILE HOME INSERT DESIGN PAGE LAYCUT REF

1lakeuiz [Cumipstibility Mede] Werd ?- × FILE HOME INSERT DESIGN PAGE LAYCUT REFERENCES MAILINGS REVIEW VIEW Krista Turk Find Times New Reman Copy Paste Normal 1 No Spa Heading1 H…

1of 2 ons14 using the following diagram and balanced equation with molecules sho

1of 2 ons14 using the following diagram and balanced equation with molecules shown Before reaction After reaction 8 I. What is the limiting reactant? What is the excess reactant? …

1s electrons are much closer to the nucleus - they screen the valence electrons

1s electrons are much closer to the nucleus - they screen the valence electrons 1s 2s electrons experience greater nuclear attraction than the 2p electrons 0 1 2345 6 78910 Distan…

1st and 2nd Trial- 1mL of Amylase (.05%) 1mL of Starch (.30 wt%) 3mL of Buffer (

1st and 2nd Trial- 1mL of Amylase (.05%) 1mL of Starch (.30 wt%) 3mL of Buffer (4.5-5.5 pH) All added to 20 mL of Water 3rd Trial- 2mL of Amylase 1mL of Starch 2mL of Buffer All a…

1st answer - one glucose molecule oxidised 38 ATP molecules produced during cell

1st answer - one glucose molecule oxidised 38 ATP molecules produced during cellular respiration 2 from glycolysis 2 from the Krebs cycle, and about 34 from the electron transport…

1st table: Standardization Data Table 2nd table: Equivalent Mass Data Table 3rd

1st table: Standardization Data Table 2nd table: Equivalent Mass Data Table 3rd table: pKa data table 1.7 Using the data above answer the following questions: 1. From the standard…

1swcC Fall 2037 28. Consider the following equilibrium: NH.cl(s) NI h(g) + HC0g)

1swcC Fall 2037 28. Consider the following equilibrium: NH.cl(s) NI h(g) + HC0g) Suppose a vessel containing NH CI(s), NH>(g) and HCI(g) is at equilibrium. If the volume of the…

1x10^-1 Solutions 1.) List each of the solutions tested that is acidic. 2.) List

1x10^-1 Solutions 1.) List each of the solutions tested that is acidic. 2.) List the solutions that are the most acidic. 3.) List the solutions tested that are weakly acidic. 4.) …

1· How is a chemical change distinguished from a physical change? Chemical chan

1· How is a chemical change distinguished from a physical change? Chemical chan isan chang thal es hew e ··· ··· t bonds between atom 2. List four kind s of observations that can …

1· It is necessary that you add boiling stones to the distillation flask. Explai

1· It is necessary that you add boiling stones to the distillation flask. Explain why. Boiling points in the labs at WVU tend to be slightly lower than expected. Why do you think …

1· The Group l cations Ag-reacts with an aqueous chionde solution to produce an

1· The Group l cations Ag-reacts with an aqueous chionde solution to produce an nsohble sait which is not soute r, an acd wine the formula of the insouble sait. When the Sait is t…

1·Chemical mechanism of chymotrypsin. a) What are the substrates and the product

1·Chemical mechanism of chymotrypsin. a) What are the substrates and the products of chymotrypsin? Why do you think artificial substrates with brightly colored C-terminal or N-ter…

1·The ma gnitude of the magnetic force that acts on a charged particle in a magn

1·The ma gnitude of the magnetic force that acts on a charged particle in a magnetic field is independent of A. the sign of the charge C. the magnitude of the magnetic field E. th…

2 (1 point) Select all of the true statements regarding weak acids. See Choose o

2 (1 point) Select all of the true statements regarding weak acids. See Choose one or more: A. Weak acids do not dissociate at all into their respective cation and anion pairs. O …

2 (1) Would the measured absorbance of an FeNCS2+ ion solution be higher, lower,

2 (1) Would the measured absorbance of an FeNCS2+ ion solution be higher, lower, or unaffected if there were fingerprints on the cuvette? Briefly explain. (2) How would the error …

2 (15PTS). The Neches Butane Products Co. makes butadiene, C4Hs, by separating b

2 (15PTS). The Neches Butane Products Co. makes butadiene, C4Hs, by separating butenes, C4Hs, from refinery gases piped to them, and then further dehydrogenating the butenes to bu…

2 (of 18) value 10.00 points 3 out of 3 attempts Be sure to answer all parts a)

2 (of 18) value 10.00 points 3 out of 3 attempts Be sure to answer all parts a) What kind(s) of intermolecular forces exist in CH2ChU)? Select all that apply. dipole-dipole intera…

2 *Gasoline contaminated groundwater has been transported under a residential dw

2 *Gasoline contaminated groundwater has been transported under a residential dwelling from a nearby gasoline station. Two meters beneath the 100 m2 dirt floor of the residential …

2 . 2 .00 moles of an ideal gas is at a (true) pressure of 2 .00 x 10 5 Pa and i

2. 2.00 moles of an ideal gas is at a (true) pressure of 2.00x 105 Pa and is enclosed in a chamber of volume of 20.0 liter (1 liter =10 -3 m3).   The gas is (1) first expanded at …

2 . Esther was given a blueish unknown Group III solution. She started her analy

2 . Esther was given a blueish unknown Group III solution. She started her analysis by buffering the solution to pH 9 with ammonia and ammonium chloride. After centrifuging the re…

2 . Question is Part b The equation below describes the combustion of propane. (

2.       Question is Part b The equation below describes the combustion of propane.  (5 points) C3H8(g) + 5 O2(g) Question is Part b The equation below describes the combustion of…

2 035 Data Mass of S0 ml. beaker 31-1656 Mass of S0 mL beaker plus sodium chlori

2 035 Data Mass of S0 ml. beaker 31-1656 Mass of S0 mL beaker plus sodium chloride 32 27aog- Mass of 150 ml beaker 73,iry Mass of 150 mL beaker plus silver nitrate75 L446S Mass of…

2 1 Bibl × 30 Bibl × \"NewTab × NewTsb X.rvinou keAssignment/takeCovalentActivit

2 1 Bibl × 30 Bibl × "NewTab × NewTsb X.rvinou keAssignment/takeCovalentActivity.do?locator-assignment-take&itakeAssignmentSessionLocator-assignment-take; eBooks and Magazin G…

2 1) Draw the stucture that results from the migration of mechanistic step. Reme

2 1) Draw the stucture that results from the migration of mechanistic step. Remember to include formal charges LI OCH3 Pr nnt k ro cgan just be considered note: i Pr an R group 2)…

2 100.0 mL of 2.500 M KBr solution is on hand. You need 0.5500 M. What is the fi

2 100.0 mL of 2.500 M KBr solution is on hand. You need 0.5500 M. What is the final 3.) 15.0 mL of 0.309 M Na,SO, and 35.6 mL of o.200 M KCI are mixed. Determine the 4. How many m…

2 2. A sample of iron reacted with hydrochloric acid. The liberated hydrogen hyd

2 2. A sample of iron reacted with hydrochloric acid. The liberated hydrogen hydrochl occupied 40.1 ml when the aese of the collea barometric pressure of 750 torr. What is the mas…

2 3 4 A marine biologist is preparing a deep-sea submersible for a dive. The sub

2 3 4 A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure ina spherical air tank that measures 88.0 cm wide. e biol…

2 3 attempts left Check my work Be sure to answer all parts. Report problem In t

2 3 attempts left Check my work Be sure to answer all parts. Report problem In the process of respiration, glucose is oxidized completely. In fermentation, O2 is absent, and gluco…

2 3 e-Peter A. Rock Ethan Gallogly ed by power plants produce energy by burning

2 3 e-Peter A. Rock Ethan Gallogly ed by power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide Carton dioxide is a greenhouse gas, so over-…

2 7. The reaction A B + C is known to be zeroth-order with respect to A and to h

2 7. The reaction A B + C is known to be zeroth-order with respect to A and to have a rate constant of 5.0 × 10-2 mol/(Ls) at 25 °C. An experiment was run at 25°C where [A]0-1.0 1…

2 9) Time for some fun with baking soda (sodium bicarbonate, NaHCO3). Write the

2 9) Time for some fun with baking soda (sodium bicarbonate, NaHCO3). Write the balanced equation for the reaction of hydrochloric acid (HCI) with baking soda. This reaction relea…

2 A researcher studying the nutritional value of a new candy places a 5.30-gram

2 A researcher studying the nutritional value of a new candy places a 5.30-gram sample of the candy inside a bomb calorimeter and combusts it is excess oxygen. The observed temper…

2 A student performed a food calorimetry experiment on a cracker with a mass of

2 A student performed a food calorimetry experiment on a cracker with a mass of 16.23 g. At the end of the experiment, the ash remaining had a mass of 1.39 g a If the temperature …

2 A student performed a food calorimetry experiment on a cracker with a mass of

2 A student performed a food calorimetry experiment on a cracker with a mass of 16.23 g. At the end of the experiment, the ash remaining had a mass of 1.39 g a If the temperature …

2 A(g) + 3 B(g) rightarrow 2 C(g) + 5 D(l) + Heat An increase in temperature wil

2 A(g) + 3 B(g) rightarrow 2 C(g) + 5 D(l) + Heat An increase in temperature will cause a shift to the and the value of K_eq will An increase in pressure will cause a shift to the…

2 A(g) + B(g) 2 C(g) When the concentration of substance B in the reaction above

2 A(g) + B(g) 2 C(g) When the concentration of substance B in the reaction above is doubled, all other factors being held constant, it is found that the rate of the reaction remai…

2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams

2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams/mole as the molar mass of A and 58 grams/mole as the molar mass of B. If 27 mL of 6.0 M B is ne…

2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams

2 A(s) + B ------> C + 2 D Use 44 grams/mole as the molar mass of D and 36 grams/mole as the molar mass of A and 58 grams/mole as the molar mass of B. If 27 mL of 6.0 M B is ne…

2 A. A 5.000 g sample of a Cu(II) s a lt was disso lved in water in a 250 mL fla

2 A. A 5.000 g sample of a Cu(II) s a lt was disso lved in water in a 250 mL flask and diluted to the calibration mark. Then , a 50.00 mL al iquot was analyzed by adding 2.0 g of …