Chemistry concepts and calculations

1) Write a program that does the following: Create seven variables, one for each

1) Write a program that does the following: Create seven variables, one for each of the primitive number types in Java, and initialize each variable with any appropriate value. Pr…

1) Write a program using Java or C# that counts the frequencies of each word in

1) Write a program using Java or C# that counts the frequencies of each word in a text, and output each word with its count and line numbers where it appears. We define a word as …

1) Write a script that accepts as an input parameter the path/name for an input

1)     Write a script that accepts as an input parameter the path/name for an input password file (either /etc/password or the sample provided). Check for the existence and non-ze…

1) Write a script that accepts as an input parameter the path/name for an input

1)     Write a script that accepts as an input parameter the path/name for an input password file (either /etc/password or the sample provided). Check for the existence and non-ze…

1) Write a template function named problem6 that accepts a constant integer valu

1) Write a template function named problem6 that accepts a constant integer value as its template argument. Remember, the syntax for this is "template<int N>", where N is th…

1) Write a void function that takes as parameters three pointers-to-int (a point

1) Write a void function that takes as parameters three pointers-to-int (a pointer to num1, a pointer to num2 and a pointer to num3) and sorts the values in num1, num2 and num3 in…

1) Write an equation for the reaction HCl(aq) + Na2CO3 (s)-------->? (Note: In t

1) Write an equation for the reaction HCl(aq) + Na2CO3 (s)-------->? (Note: In this reaction the products ust have H, Cl, Na, and O atoms in some new combinations, but no other…

1) Write balanced complete ionic equation for MgS( a q )+CuCl2( a q )CuS( s )+Mg

1) Write balanced complete ionic equation for MgS(aq)+CuCl2(aq)CuS(s)+MgCl2(aq) Express your answer as a chemical equation. Identify all of the phases in your answer. 2) Write bal…

1) Write balanced net ionic equation for the neutralization of equal molar amoun

1) Write balanced net ionic equation for the neutralization of equal molar amounts of HNO2 and KOH The pH after neutralization is: 2) Write balanced net ionic equation for the neu…

1) Write chemical equations for the reaction of Calcium with the following subst

1) Write chemical equations for the reaction ofCalcium with the following substances indicatingthe phases (l,s,or g) and making sure the equations on bothsides are balanced. a) H2…

1) Write fhe function definition for a function named outputDottedLine () which

1) Write fhe function definition for a function named  outputDottedLine() which has no parameters and returns nothing. When called,outputDottedLine() shall display five consecutiv…

1) Write the MATLAB code to generate a random number between 1 and 3 using the r

1) Write the MATLAB code to generate a random number between 1 and 3 using the randi function. You can find more information about randi AWWA mathworks co helplmatlablreflrandi.ht…

1) Write the MATLAB code to generate a random number between 1 and 3 using the r

1) Write the MATLAB code to generate a random number between 1 and 3 using the randi function. You can find more information about randi at AWWA mathworks co helplmatlabl refrandi…

1) Write the NET IONIC equation for each of the titration reactions: a)) HCl tit

1) Write the NET IONIC equation for each of the titration reactions: a)) HCl titration b)) CH3COOH titration: 2) A researcher takes a10 mL sample of HCl from a bottle and titrates…

1) Write the balanced neutralization reaction for sulfurous acid reacting with s

1) Write the balanced neutralization reaction for sulfurous acid reacting with sodium hydroxide. 2) For sulfurous acid(H2SO3 , a diprotic acid), write the equilibrium dissociation…

1) Write the chemical equation, with the transition state, for the reaction betw

1) Write the chemical equation, with the transition state, for the reaction between 2-bromo-2-methylbutane and potassium hydroxide in 1-propanol that gives the major product. Use …

1) Write the complete balanced, molecular equation for the reaction that produce

1) Write the complete balanced, molecular equation for the reaction that produces the carbon dioxide. 2) How many moles of CaC03 are in the 30.0 grams of CaCO3 used? 3) How many l…

1) Write the condensed ground-state electron configurations of these transition

1) Write the condensed ground-state electron configurations of these transition metal ions, and indicate which are paramagnetic. (Type your answer using the format [Ar] 4s2 3d10 4…

1) Write the correct rate law expression for reaction 2 (from the lab manual) at

1) Write the correct rate law expression for reaction 2 (from the lab manual) at temperature T1. Replace constants by their values in the equation, and indicate at which temperatu…

1) Write the electron configurations for the following atoms. Enter full electro

1) Write the electron configurations for the following atoms. Enter full electron configuration in order electrons fill the subshells. Enter subshells in parentheses followed by n…

1) Write the followingnumbers in scientific notation a. 12.3 b. 40,000,000 c. 0.

1) Write the followingnumbers in scientific notation a. 12.3 b. 40,000,000 c. 0.000789 2) Write the following numbers as decimals a. 1.23 x 106 b. 1.23 x 10-6 Show all work and ex…

1) Write the formula for the ionic compound formed from the combination of each

1) Write the formula for the ionic compound formed from the combination of each pair of ions and give the systematic name for that compound (if the transition metal is used give b…

1) Write the four reactions for the dissociation of each metal hydroxide into io

1) Write the four reactions for the dissociation of each metal hydroxide into ions, AgOH(s), Fe(OH)3(s), Cu(OH)2(s), Zn(OH)2(s). 2) Write the three other solubility product expres…

1) Write the ground state electornic configuration for the following elements? -

1) Write the ground state electornic configuration for the following elements? -Cu Te- 2) Write downt the maxiumum number of elextrons in an atom which can have a. quantum number …

1) Write the half reaction for the formation of Co-(e) from CHa(g).Include all p

1) Write the half reaction for the formation of Co-(e) from CHa(g).Include all protons and electrons. 2) Write the half reaction for the formation of water from the addition of O2…

1) Write the molecule or class of molecules described by each clue. If the clue

1) Write the molecule or class of molecules described by each clue. If the clue describes more than one (type of) molecule, give an example of a molecule or class of molecules des…

1) Write the reaction for a diprotic acid, H2A, to reach the first equivalence p

1) Write the reaction for a diprotic acid, H2A, to reach the first equivalence point with NaOH. 2) Write the reaction for a acid HA-, to reach the second equivalence point with Na…

1) Write your own choose your own adventure program that has a user follow instr

1)    Write your own choose your own adventure program that has a user follow instructions to go from    location to location.    For example:       "You are in the hallway. There…

1) You analyzed the C18 content of a sample of ground beef. You took 5 g of beef

1) You analyzed the C18 content of a sample of ground beef. You took 5 g of beef, homogenized into buffer and centrifuged. The volume of the supernatant was 14 ml. You took 2 ml, …

1) You are asked to make 171 mL of 1.022 M HCl starting with 9.0 M HCl. 2) You s

1) You are asked to make 171 mL of 1.022 M HCl starting with 9.0 M HCl. 2) You standardize the "1.022 M" HCl by pipetting a known amount of it into a flask and titrating to the ph…

1) You are asked to prepare 2.8 L of a HCN/NaCNbuffer that has a pH of 9.85 and

1) You are asked to prepare 2.8 L of a HCN/NaCNbuffer that has a pH of 9.85 and an osmotic pressure of 1.73 atm at 298 K. What masses of HCN and NaCN should you use to prepare the…

1) You are given a solid hydrate. You dry and weigh a sample tube. You put in th

1) You are given a solid hydrate. You dry and weigh a sample tube. You put in the hydrate and reweigh. You heat the tube and contents to drive off any water then cool and reweigh.…

1) You are given an unknown containing KClO 3 . Following the procedure in your

1) You are given an unknown containing KClO3. Following the procedure in your manual, you obtain the following fictional data Note! For this problem use the given (allbeit incorre…

1) You are running a manufacturing process where a mole fraction of 0.40 species

1) You are running a manufacturing process where a mole fraction of 0.40 species in a binary mixture of 1 and 2 is required at a flow rate of 5 mol/s and a temperature of 300K. Th…

1) You dissolve 19.020 grams of substance X (whose molar mass is 62.360 g/mol) i

1) You dissolve 19.020 grams of substance X (whose molar mass is 62.360 g/mol) in 2.590 L of water (whose molar mass is 18.02 g/mol). The density of water at this temperature is .…

1) You have 100 ml of a solution of ATP. You take 50 µl, and dilute it to a fina

1) You have 100 ml of a solution of ATP. You take 50 µl, and dilute it to a final volume of 2000 µl. The absorbance of the diluted solution at 259 nm is 0.520. a) What is the ATP …

1) You have a two component mixture (A and B) containing 50% molar of each compo

1) You have a two component mixture (A and B) containing 50% molar of each component. This mixture has an azeotrope distillate composition 95% A and 5% B. Describe what you would …

1) You have available three materials, which are either a weak acid or weak base

1) You have available three materials, which are either a weak acid or weak base. The pKa values for the three                    materials are 3.64, 5.77, and 10.14. You have bee…

1) You have been asked to develop a walk-way made of glass across a deep canyon

1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…

1) You have been asked to develop a walk-way made of glass across a deep canyon

1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…

1) You have been asked to develop a walk-way made of glass across a deep canyon

1) You have been asked to develop a walk-way made of glass across a deep canyon as a tourist attraction (think rip-off of the Havasupai Indians walk-way at the Grand Canyon). A su…

1) You have been drip irrigating your soil for too many years. Now the soil is t

1) You have been drip irrigating your soil for too many years. Now the soil is too saline and you want to treat this by adding gypsum (CaSO4. 2H2O). Assume you have a 1 hectare fi…

1) You need an acid that will spontaneously oxidize Sn, but NOT spontaneously ox

1) You need an acid that will spontaneously oxidize Sn, but NOT spontaneously oxidize Ag. How many of the following acids meet these criteria?: Hydrochloride acid, iodic acid, nit…

1) You need to prepare 1.000L of 0.50 M phosphate buffer, pH 6.21. Use the Hende

1) You need to prepare 1.000L of 0.50 M phosphate buffer, pH 6.21. Use the Henderson-Hasselbalch equation with a value of 6.64 for pK2, to calculate the quantities of K2PO4 and KH…

1) You need to prepare an acetate buffer of pH 5.85 from a 0.756 M acetic acid s

1) You need to prepare an acetate buffer of pH 5.85 from a 0.756 M acetic acid solution and a 2.18 M KOH solution. If you have 975 mL of the acetic acid solution, how many millili…

1) You need to produce a buffer solution that has a pH of 5.33. You already have

1) You need to produce a buffer solution that has a pH of 5.33. You already have a solution that contains 10. mmol (millimoles) of acetic acid. How many millimoles of acetate (the…

1) You place a 50mL of 0.50M NaOh and 25mL of 0.50M HCl in a coffee cup calorime

1) You place a 50mL of 0.50M NaOh and 25mL of 0.50M HCl in a coffee cup calorimeter. What is the final temperature of the calorimeter if the initial temperature of the solution is…

1) Zinc reacts with hydrochloric acid according to the reaction equation.How man

1) Zinc reacts with hydrochloric acid according to the reaction equation.How many milliliters of 4.00 M HCl(aq) are required to react with 5.85 g of an ore containing 44.0% Zn(s) …

1) a 1,084g sample of hydrate is heated, leaving 0,762g ofanhydrous residue. a)

1) a 1,084g sample of hydrate is heated, leaving 0,762g ofanhydrous residue. a) how many grams of water were driven off?b)how many moles of water were driven off?c) what is the pe…

1) a 3.70g sample of sodium is allowed to react completely with sulfur to form a

1) a 3.70g sample of sodium is allowed to react completely with sulfur to form a sulfide that weighs 6.30g. calculate the following: mass of sulfur, moles of sulfur, moles of sodi…