# Laverne

Most popular questions and responses by Laverne
1. ## chemistry

Calculate the freezing point and boiling point of 12.0g of glucose (C6H12O6) in 50.0g H20

2. ## Chemistry

Given the concentration of either hydrogen ion or hydroxide ion, use the ion product constant of water to calculate the concentration of the other ion at 298K A. [H+]= 1.0*10^-4 B. [OH-]=1.3*10^-2 for A do you subtract 1.0*10^-14? and for B do you divide

3. ## Chemistry

A rock salt NaCl ice and water mixture is used to cool milk and cream to make homemade ice cream. How many grams of rock salt must be added to water to lower the freezing point 10.0C?

4. ## Chemistry

Calculate the freezing point and boiling point of each of the following solutions A. 2.75m NaOH in water B. 0.586m of water in ethanol c. 1.26m of naphthalene (C10H8) in benzene

5. ## Chemistry

A fast food item contains 544 nutritional calories. Convert this energy to calories and to Joules

6. ## Chemistry

What can you conclude about the relationship between colligative properties and the type of ions in solution from the 1.0m HCl(aq) and 1.0m NaCl(aq) solutions?

7. ## Statistics

The HIM coding supervisor agrees to pay a new graduate \$13.50 per hour. This is a full-time coding position at 2,080 hours per year. The cost for a full-time employee's fringe benefits is 24 percent of the employee's salary. How much must the supervisor

8. ## Chemistry

An endothermic process absorbs 138kJ. How many calories of heat are absorbed?

9. ## statistics

The forms used in your coding area cost \$100.00 per 1000 forms for the first 2000 and \$50 for every 1,000 thereafter If you need to order 5,000 forms what is the total cost?

10. ## statictics

An employee currently earning \$13.85 per hour has been awarded a 3.5 percent merit raise. What will the employee's hourly salary be with this increase?

11. ## math

suppose the eggplants at a store in thailand are priced at 1.24 baht per kilogram, where one dollar is worth 1.37 baht. what is the price of the eggplants in dollars per pound? how do you figure this out

12. ## statistics

Community health center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on

13. ## Chemistry

A 155g sample of an unknown was heated from 25.0 to 40.00c absorbing 5696J of energy. what is the specific heat?

14. ## statistics

last month, the release of information specialist received 232 requests for information. He was able to answer 176 within thee specified time frame of three working days. What is the rate of compliance in answering requests within the specified time frame?

15. ## Chemistry

How does the strength of the attraction between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions? How Do You Know?

16. ## biology

all life forms currently have a basic cell membrane so we presume that the earliest forms of life had this "fence" isolating the internal organization from the external chaos. It is likely that the primordial environment was acidic. In such a case, the

17. ## algebra

translate this expression into a mathematical problem the difference between one more than three times a number and a number is 19 find the smaller number

18. ## Geometry

Find the perimeter and area of a square with diagonal length of 20cm.. Leave your answer in simplest radical form

19. ## statistics

Last year, community hospital had 23652 admissions. of these, 1569 were readmissions. What is the hospital's readmission rate? round to two decimal places.

20. ## Statictics

A coding supervisor must determine the number of full-time equivalents (FTEs) needed to code 500 discharges per week. If it takes an average of 20 minutes to code each record and each coder works 7.5 productive hours per day, how many FTEs will the coding

21. ## pyschology

The outlawing of slavery and extending voting rights to women seem to indicate that ethics can have beneficial results.

X f(x) 0 .25 1 .20 2 .15 3 .30 4 .10 Is it prpbsbility distribution valid? Explain and list the requirement for a valid probability distribution Calculate the expected value x Calulate the variance of x calculate the standard deviation of x

23. ## algebra

b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs \$80 and each tree is \$104, what is the maximum number of trees you can

24. ## economics

Y= consumption X= Disposable income Y X 5,000 10,000 A 8,000 20,000 B Refer to info above. The slope of the line between points A and B is: A) .3 B) 2.3 C) 3.3 D) indeterminate from this information. How do you figure this out. What is the math to

27. ## Chemistry

Is Lithium Thionyl Chloride a battery or it it a fuel cell

28. ## Chemistry

What are colligative properties?

29. ## Chemistry

Calculate the freezing point and boiling point of a solution that contains 55.4 NaCl and 42.3g KBr dissolved in 750.3 ml H2O

30. ## Economics 260

How to draw a production function indicating three stage of production

31. ## Management

Why is management necessary? What are the advantages and disadvantages of delegation? Just as the brain coordinates the functions of the body, effective management is needed to coordinate the functions of a business to make it productive. However, since

1. ## health

posted on June 10, 2015
2. ## math need help please

Find the reciprocal of 8/13

posted on December 3, 2012
3. ## Chemistry

so its both?

posted on May 2, 2010
4. ## chemistry

whats the kg solvent

posted on February 11, 2010
5. ## chemistry

Molar mass-180 12.0\180= is the molar mass 6.67 or is it 6.67*10^-2

posted on February 11, 2010