Monday

April 21, 2014

April 21, 2014

Total # Posts: 23

**Chemistry**

* Fixed Question What is the PH of a buffer made by adding 8.20 grams of sodium acetate(NaCH3CO2) to 500 ml of 0.10 M(molarity) acetic acid(CH3CO2H). Ka for acetic acid is 1.8 x 10^-5.

**Chemistry**

What volume of 0.105 M(molarity)is needed to completely neutralize 25.0 ml of 0.180 M(molarity)HBr according to the equation: KOH(aq)+ HBr(aq)-> KBr(Aq)+ H2O(L)

**Chemistry**

What is the PH of a buffer made by adding 8.20 grams of sodium acetate(NaCH3CO2) to 500 ml of 0.10 M acetic acid(CH3CO2H). Ka for acetic acid is 1.8 x 10^-5.

**Chemistry**

What happen when the pink stock solution is heated in a water bath?

**Math**

320

**math**

speakers place every 10 yds around the wall of school auditorium. Auditorium is 210 ft by 300 ft. How many wall speakers are placed around the auditorium?

**history**

is it true that Lee Yick took his case to the Supreme Court and lost because, under the 14th Amendment, only U.S. citizens had the rights of due process and equal protection of the laws.

**Calculus**

Optimization An offshore oil well is 2km off the coast. The refinery is 4 km down the coast. Laying a pipe in the ocean is twice as expensive as on land. What path should the pipe follow in order to minimize the cost?

**1st grade**

how many miles does the earth travles a minute or second ????

**Algebra 2**

Problem Solving - A manufacturer of cell phones makes a profit of $25 on a deluxe model and $30 on a standard model. The company wishes to produce at least 80 deluxe models and at least 100 standard models per day. To maintain high quality, the daily production should not exce...

**English**

what is narrative wring

**English**

All of Jay answers are correct

**7th grade algebra**

the difference between a father's age and his son's age if the father's age is three times his son's age

**7th grade algebra**

the sum of the weights of twin brothers if one weighs four more pounds than the other

**7th grade algebra**

the value in cents of a number of quarters and the same number of nickels

**7th grade math**

yes

**7th grade math**

the difference between a father's age and his son's age if the father's age is three times his son's age

**math**

the sum of the weights of twin brothers if one weighs four pounds more than the other

**7th grade**

jordan, your answer is either 18.84 or 18 ft

**Microeconomics**

Each individual has a budget line in which they follow for expenditures. If the income of the individual increases what is the effect on the budget line? • An increase in the money income shifts the budget line to the right. • An increase in the money income shifts t...

**gen studies**

identify the advantages and disadvantages of organizational structure. how it affects day to day operation of managing a counseling center for domestic abuse victims

**math**

which prism has 3 pairs of congruent sides

**algebra**

what is(x2+2x-3)+(4x^2+9)

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