# Posts by alberto

Total # Posts: 26

**chemistry**

Calculate the volume of HNO3 that must be introduced in the calorimeter,knowing that it were used 60 ml NaOH, Cc=100cal/grd and delta H=-13,5 kcal/mol.. please help me,i have no clue for this..

**English**

In my brother's keeper by Jay ... What is the conflict?

**math**

a gear on a bicycle has the shape of a circle one gear has a diameter of 4 inches and a small one has a diameter of 2 inches Justin says that the circumferences of the larger gear is 2 inches more than the circumferences of the smaller gear do you agree explain your answer

**Math**

Rina saves $4.50 each week. Her sister save $2 more each week. When her sister has saved $14 more than Rina, how much has Rina saved?

**Algebra**

A rectangular piece of cardboard is 15 inches longer than it is wide. If 5 inches are cut from each corner, and the remaining fold up to form a box,the volume of the box is 1250 cubic inches. Find the dimensions of the piece of cardboard.

**economics**

main characteristics of the market system

**math (story problems)**

23.28 pages per hour

**math (story problems)**

Andy took a reading test. He read 97 words per minute. If a book has an average of 250 words on a page, how many pages can Andy read in one hour?

**math**

161.5 centimeters tall (thank you)

**math**

Sandy is 5.3 feet tall. How many centimeters tall is she? Round your answer to the nearest tenth.

**math**

Jill is 20 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 5 hours. How fast is Joe walking?

**Physics**

An astronaut has crash landed on a planet that little is known about (not even the acceleration due to gravity). She must descend a steeo cliff to find shelter, but wants to know how high the cliff is before making the attempts. She happens to have salvaged a stopwatch from ...

**chemistry**

Hypothesis on "behavior of solids on warming".

**science**

What is the effect of the type of alcohol (methanol, ethanol and pentanol) on the evaporation time?

**chemistry**

Highest = NaF Medium = CH3I Lowest = CH4

**math**

a fire fighter's 36 foot ladder leans against a building. the top of the ladder touches the buliding 28 ft above the ground. what is the measure of the angle of the ladder forms with the ground?

**math**

cx+7 if x<or=2 f(x)= cx^2-5 if x>2 determine any values of c which make f continuous for all real numbers (c=6) determine any values of c which make f differentiable for all real numbers ???

**Math**

I am less than 100, the sum of my digits is 8. If you divide me by 2, I am an even number. My tens digit and my ones digit are the same. What is the answer

**physics**

there is absolutely no way its that complicated. and at points it looks like you made up some values. be more clear.

**en forma estandar**

como se escribe 423,090,709,000 en forma estandar

**ENGLISH**

WHAT TYPE OF INTRODUCTION AND WHAT TYPE OF CONCULUSION CAN I USE TO WRITE IN MY RESEARCH PAPER? HOW DOES THE INTRODUCTION DRAW READERS INTO MY ARGUMENT, AND HOW DOES THE CONCLUSION NEATLY TIE UP MY PAPER? MY THESIS IS JUVENILE SEX OFFENDERS

**writing**

if this is a subject verb agreement Did you know a famous animal rights activist has criticized horseracing because of the danger involved? and why

**pseudocode programming**

need help to write a sumsquare function module and then rewrite that fuction module into an algorithm from this pseudocode. count integer square integer sumsquare integer count = 0 square = 1 do while count <= 2 count = count + 1 sumsquare = sumsquare + square end do this ...

**algorithm**

can someone tell me if this is correct. Write an algorithm that will display the sum for a given number of squares. In other words if the user enters the value 5, then the output should be 1^2 + 2^2 + 3^2 +4^2 + 5^2 = 55. sumsquare integer square integer count integer ...

**progra**

how would i be able to write a function module for average from this pseudo-code and then use it to write an algorithm. Sum integer Num integer Count integer Count:= 0 Sum:=0 Dowhile count <3 Println “Enter Num: ” Read Num Sum := Sum + Num Count:= count + 1 ENDDO ...

**programming techniques**

how do modular program work, can you show me an example of it using dowhile pseudo code.

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