Now that we know it os first order

What is the value of the rate constant for this reaction?

please provide the reason why you are choosing an option to be right. its for my understanding . and also why other options are not right

expecting an early response.will rate your answer. thankyou

Car class Question

Design a class named car that has the following fields: YearModel: The yearModel field is an integer that holds the car's year model. Make: The make field references a string that holds the make of the car. Speed: The speed field is an integer that holds the car's current speed. In addition, the class should have the following constructor and other methods: Constructor: The constructor should accept the. car's year model and make as arguments. The values should be assigned to the object's yearModel and make fields. The constructor should also assign 0 to the speed field. Accessors: Design appropriate accessor methods to get the values stored in an object's yearModel, make, and speed fields. Accelerate: The accelerate method should add 5 to the speed field each time it is called. Brake: The brake method should subtract 5 from the speed field each time it is called. Next, design a program that creates a car object, and then cals the accelerate method fibe times. After each call to the accelerate method, get the current speed of the car and display it. Then call the brake method 5 times. After each call to the brake method, get the current speed of the car and display it..........

Thanks for the help guys pseudocode and flowchart please

c++

1. write a c++ function that received two doubles that represent the sides of a triangle and an integer that represents the number of triangles of that size. calculate the area of all these triangles. remember area of a triangle is ahalf base times width. and return this value as a double.

Write a Java program to convert octal (integer) numbers into their decimal number equivalents (exactly the opposite of what you have done in Assignment 4). Make sure that you create a new Project and Java class file for this assignment. Your file should be named “Main.java”. You can read about octal-to-decimal number conversions on wikepedia

Assignment 4 is at the bottom

Objective

Your program should prompt the user to enter a number of no greater than 8 digits. If the user enters a number greater than 8 digits or a value less than 0, it should re-prompt the user to enter a number again*. You do not need to check if the digits are valid octal numbers (0-7), as this is guaranteed.

Instructions

• Note that the conversion logic should be in a separate method (not the main() method).
• main() method will take the input from the user and pass it to the conversion() method.
• The conversion() method will convert the input octal to decimal and print the output.
  • No return value is required.
  • a sample structure is shown below.

• Use a sentinel while loop to solve the problem.
• Ideally, you should copy your assignment 4 code here and modify it to serve the new purpose. This will save you time.

• USE ONLY INTEGER VARIABLES FOR INPUTS AND OUTPUTS.
• USE ONLY THE TECHNIQUES TAUGHT IN CLASS

main(){

int oct = user input;

conversion(oct);

}

void conversion(int o){

// logic goes here.

print(decimal);

}

Goals

• more experience in WHILE loop.
• experience in Java Methods
• logical thinking

Sample Runs

Sample Program Run (user input is underlined)

Enter up to an 8-digit octal number and I will convert it for you: 77777777

16777215

Sample Program Run (user input is underlined)

Enter up to an 8-digit octal number and I will convert it for you: 775002

260610

Sample Program Run (user input is underlined)

Enter up to an 8-digit octal number and I will convert it for you: 0

0

Sample Program Run (user input is underlined)

Enter up to an 8-digit octal number and I will convert it for you: 55

45

Sample Program Run (user input is underlined)

Enter up to an 8-digit octal number and I will convert it for you: 777777777

Enter up to an 8-digit octal number and I will convert it for you: 777777777

Enter up to an 8-digit octal number and I will convert it for you: 700000000

Enter up to an 8-digit octal number and I will convert it for you: 77

63

Assignment 4:

// Main.java : Java program to convert decimal number to octal

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

int inputNum, convertedNum;

Scanner scan = new Scanner(System.in);

// Input of integer number in decimal

System.out.print("Please enter a number between 0 and 2097151 to convert: ");

inputNum = scan.nextInt();

// validate the number

if(inputNum < 0 || inputNum > 2097151)

System.out.println("UNABLE TO CONVERT");

else

{

int weight=0; // weight of the digit, used for converting to octal

convertedNum = 0; // variable to store the number in octal

int temp = inputNum;

int digit;

// loop that continues till we convert the entire number to octal

while(temp > 0)

{

digit = (temp%8); // get the remainder when the number is divided by 8

// multiply the digit with its weight and add it to convertedNum

convertedNum += digit*Math.pow(10, weight);

temp = temp/8; // remove the last digit from the number

weight++; // increment the weight

}

// display the integer in octal

System.out.printf("Your integer number " + inputNum + " is %07d in octal",convertedNum);

}

scan.close();

}

}

A barrel contains a 0.259m layer of oil of density 659kg/m3 floating on water that is 0.331m deep.

a) What is the gauge pressure at the oil-water interface?

b) What is the gauge pressure at the bottom of the barrel?

c) At what depth below the oil surface is the gauge pressure 2630.6738Pa ?

Q1, The total entropy change of a system and its surrounding is (a) in a(n) (b) process.

1. (a) larger than zero; (b) reversible
2. (a) smaller than zero; (b) reversible
3. (a) equal to zero; (b) reversible
4. (a) equal to zero; (b) irreversible
5. (a) smaller than zero; (b) irreversible

Q2, Standard enthalpy change (ΔH°) of a process involving gases is the enthalpy change of process at

1. 1 atm and 298K.
2. 1 atm and 273K.
3. 273K.
4. 1 atm.
5. 298K.

Q3, The following values are noticed on the phase diagram of CO2: at its triple point:
T3 =216.8 K and P3 =5.11 atm; at its critical point: Tc =304.2 K and Pc =72.9 atm.

Which of the statements below about CO2 is correct?

1. CO2 can exist as liquid at atmospheric pressure if it is brought to a temperature low enough.
2. CO2 cannot exist in liquid phase at atmospheric pressure.

3. CO2 cannot exist as solid if its temperature is higher than its triple point temperature T3.
4. CO2 is said to be in supercritical condition if it is brought to a temperature higher than 304.2 K at atmospheric pressure
5. CO2 cannot exist as vapour if its temperature is brought to lower than its triple point temperature 216.8K.

Q4, For a pure substance:

1. its Gibbs energy always increases with the pressure at constant temperature.
2. its Gibbs energy always increases with the temperature at constant pressure.
3. its Gibbs energy always increases when the substance changes from solid to liquid or from liquid to vapour.
4. its Gibbs energy always decreases when the substance changes from vapour to liquid or from liquid to solid.
5. its Gibbs energy remains unchanged in a reversible phase change process.

malware is often embedded in links or documents transmitted to intended victims and activated when links are followed or documents opened . what guidelines do you recommend following to prevent from being a victim of such an attack?

MgSO4•7H2O is an example of hydrate, a substance that has fixed mass percent of water in the compound. Calculate the mass percent (%) composition of water in MgSO4•7H2O. (show your work.)

Read the Haas and Whited (2017) review paper on limb regeneration and answer one of the three following questions. A good answer to this question might require you to look up papers cited in this review. You can search for articles on scholar.google.com, and a great number can be downloaded on campus. If you do use another paper, please provide a citation.

   1. Describe what you feel is the critical step in the morphological development of the regenerated limb. Why is it the critical one?
   2. Choose one of the genes mentioned and explain what it does to aid in limb regeneration.
   3. Choose one of the techniques used to determine candidate genes and describe how it works and why it is useful. Choices are RNASeq, Transcriptomics, Expressed Sequence Tags/Microarray.

Answer each part in 3-5 sentences.

How did the major commercial centers in the Afro-Eurasian world foster commercial exchange and establish a new commercial class?

You are a studen in Organic Chemsitry lab and you are tasked with the job to make 202 ppm solution of Rhodamine B (MM = 479.02 g/mol). How many moles of dye do you need to add to a 250 mL beaker of water to prepare this solution?

A proud deep-sea fisherman hangs a 61.0-kg fish from an ideal spring having negligible mass. The fish stretches the spring 0.130 m.

(a) Find the force constant of the spring.
N/m

The fish is now pulled down 4.90 cm and released.

(b) What is the period of oscillation of the fish?
s

(c) What is the maximum speed it will reach?
m/s

The automobile fuel called E85 consists of 85 % ethanol and 15 % gasoline. E85 can be used in so-called "flex-fuel" vehicles (FFVs), which can use gasoline, ethanol, or a mix as fuels. Assume that gasoline consists of a mixture of octanes (different isomers of C8H18), that the average heat of combustion of C8H18(l) is 5400 kJ/mol, and that gasoline has an average density of 0.70 g/mL. The density of ethanol is 0.79 g/mL.

For Part A, start with the given L of gasoline and use the density of the gasoline as well as the molar mass of  C8H18 to determine the moles of gasoline. Once you have found the moles of gasoline you will use the provided heat of combustion to determine the energy produced. You do not need to use Appendix C because you are using the provided heat of combustion.

For Part B, do the same with the ethanol. You will use the heat of combustion for ethanol from the extra credit homework problem 5.79. If you did not do the that homework problem, you will need to write the balanced equation for the combustion of ethanol paying attention to the phases. Use the phase of gas for the water. Then calculate the heat of the combustion reaction from the heats of formation in Table C.

For Part C, you will need to use a weighted average. This is the same formula we used to determine the average atomic mass.

For Part D, you are starting with the given gallons of gasoline and will need to use the heat of combustion produced for the given liters of gasoline as a conversion factor to determine the energy produced from the given gallons. The heat of combustion produced from the liters of gasoline is from Part A. Now take the energy produced from the gallons of gas and use that as the given. Using the heat of combustion produced for the liters of E85 from Part C, determine the gallons of E85 necessary to produce that much energy.

For Part E, you will use the gallons of gasoline

A)By using the information given as well as data in Appendix C, calculate the energy produced by combustion of 2.0 L of gasoline

B)By using the information given as well as data in Appendix C, compare the energy produced by combustion of 2.0 L of ethanol. Consider that water is in the gaseous state.

c)Assume that the density and heat of combustion of E85 can be obtained by using 85 % of the values for ethanol and 15 % of the values for gasoline. How much energy could be released by the combustion of 2.0 L of E85?

E)If gasoline costs $ 3.10 per gallon in the United States, what is the break-even price per gallon of E85 if the same amount of energy is to be delivered?

1. Note: This problem is for the 2018 tax year.

Devon Bishop, age 45, is single. He lives at 1507 Rose Lane, Albuquerque, NM 87131. His Social Security number is 111-11-1112. Devon does not want $3 to go to the Presidential Election Campaign Fund.

Devon's wife, Ariane, passed away in 2014. Devon's son, Tom, who is age 18, resides with Devon. Tom's Social Security number is 123-45-6788.

Devon owns a sole proprietorship for which he uses the accrual method of accounting and maintains no inventory. His revenues and expenses for 2018 are as follows:

*New office equipment ($21,000); Devon uses the immediate expense election.

** $18,000 for employees and $8,000 for Devon.

Other income received by Devon includes the following:

During the year, Devon and his sole proprietorship had the following property transactions:

1. Sold Blue, Inc. stock for $45,000 on March 12, 2018. He had purchased the stock on September 5, 2015, for $50,000.
2. Received an inheritance of $300,000 from his uncle, Henry. Devon used $200,000 to purchase Green, Inc. stock on May 15, 2018, and invested $100,000 in Gold, Inc. stock on May 30, 2018.
3. Received Orange, Inc. stock worth $9,500 as a gift from his aunt, Jane, on June 17, 2018. Her adjusted basis for the stock was $5,000. No gift taxes were paid on the transfer. Jane had purchased the stock on April 1, 2012. Devon sold the stock on July 1, 2018, for $22,000.
4. On July 15, 2018, Devon sold one-half of the Green, Inc. stock for $40,000.
5. Devon was notified on August 1, 2018, that Yellow, Inc. stock he purchased from a colleague on September 1, 2017, for $52,500 had become worthless. While he perceived that the investment was risky, he did not anticipate that the corporation would declare bankruptcy.
6. On August 15, 2018, Devon received a parcel of land in Phoenix worth $220,000 in exchange for a parcel of land he owned in Tucson. Because the Tucson parcel was worth $245,000, he also received $25,000 cash. Devon's adjusted basis for the Tucson parcel was $210,000. He originally purchased it on September 18, 2015.
7. On December 1, 2018, Devon sold the condominium in which he had been living for the past 20 years (1844 Lighthouse Lane, Albuquerque, NM 87131) and moved into a rented townhouse. The sales price was $480,000, selling expenses were $28,500, and repair expenses related to the sale were $9,400. Devon purchased the condominium for $180,000.

Devon's potential itemized deductions, exclusive of the aforementioned information, are as follows:

During the year, Devon makes estimated Federal income tax payments of $35,000.

Required:

Compute Devon's lowest net tax payable or refund due for 2018 by providing the information requested for Forms 1040, 4562, 8824, and 8949 as well as Schedules A, B, D, SE. Assume that he makes any available elections that will reduce the tax.

• Make realistic assumptions about any missing data.
• If an amount is zero, enter "0".
• Enter all amounts as positive numbers.
• It may be necessary to provide information regarding the other schedules and forms before completing the requested information for Form 1040.
• Devon's qualified dividends and capital gains rate is 15%.

When computing the tax liability, do not round your immediate calculations. If required round your final answers to the nearest dollar.