Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 31

**chemistry**

When 40.0 mL of 1.00 M H2SO4 is added to 80.0 mL of 1.00 M NaOH at 20.00°C in a coffee cup calorimeter, the temperature of the aqueous solution increases to 29.20°C. If the mass of the solution is 120.0 g and the specific heat of the calorimeter and solution is 4.184 J...

**science**

Resultant of 2 vectors P and Q is inclined at 30 either of them. What is the magnitude of resultant vector?

**science **

Resultant of 2 vectors P and Q is inclined at 45 either of them. What is the magnitude of resultant vector?

**science**

Resultant of 2 vectors P & Q is inclined at 45 to either of them. What is the magnitude of resultant vector?

**maths**

Resultant of 2 vectors P & Q is inclined at 45 to either of them. What is the magnitude of resultant vector?

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?

**Chemistry**

0.356 grams of an unknown metal reacts with oxygen to form 452 milligrams of the metal oxide. Identify the metal

**science**

What istrival name of Mgoh 2

**earth**

The quantity of radiation received by earth from the sun is 1.4 kW / m2. Assuming that sun is an ideal radiator, calculate the surface temperature of the sun. The ratio of the radius of earth's orbit to the radius of the sun is 216.

**Math**

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.

**math**

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.

**science**

How large a current would a very long, straight wire have to carry so that the magnetic field 2 cm from the wire is equal to 1 G (comparable to the earth’s northward-pointing magnetic field)?

**reading**

where do u think the commas belong? in fact most students find it hard to sleep past 6:00A.M. during the semester,so you as well take 8:00 classes

**reading**

place a comma in this sentence convinced that she would need extra money for college,Andrea applied for a second job at the libary

**reading**

place a comma in this sentences since pete was always online playing computer games Andy decided to buy his own computer

**math**

if i have 16 ft 5 inch of wall paper and use 8ft 9in of the wall paper. How much do i have left

**English**

Hi. I've been learning some new words and have a question about "demarche". As for its diplomatic meaning, everything is clear, but I don't know how to use its meaning "a statement or protest addressed by citizens to public authorities". Do you thin...

**math**

fifteen out of 25 students in Mrs. Smith's class are boys. what is the ratio of boys to girls? i put 1 to 6. is that right?

**math **

three out of 20 students have been to the zoo. what percent of students have been to the zoo? i put 6%. is that right?

**math**

a paint color is made by mixing red and yellow paint. the ratio of red to yellow is 4 to 9. how many quarts of yellow paint must be used for 12 quarts of red? explain how you find your answer.

**math**

arraange the following numbers in order from least to greatest:2 1/4, 0.6, 2.75, 40%, 7/5

**physics**

A rule of thumb for driving is that a separation of one car length for each 10 mi/h of speed should be maintained between moving vehicles. Assuming a constant reaction time, discuss the relevance of this rule for (a) motion with constant velocity and (b) motion with constant a...

**chemistry garde 11**

ye in th question is said litres.

**chemistry garde 11**

plases help me.... im really stuck in this question... i have no clue how to do it... please help me oxygen gas generated in the thermal decomposition of potassium chlorate in water. the total pressure of this system was measured to be 762 mmHg and the pressure of water was 22...

**Statistics**

MUJHE NAHI PATA.....................

**Statistics**

MUJHE NAHI PATA.....................

**Comparative Essay HELP!**

boring comparative

**Comparative Essay HELP!**

boring comparative

**math**

how do you do polynomials monomials and trinomials

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