Sunday

February 19, 2017
Total # Posts: 21

**AP Chem**

Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 29?C? The normal boiling point of benzene is 80.0?C and its molar heat of ...

*December 11, 2016*

**Maths**

Option a)100 m

*November 11, 2016*

**Maths**

Option a)100

*November 11, 2016*

**Maths**

I don't know

*November 11, 2016*

**Maths**

The area of a square is 0.5 hectare. The length of its diagonal is Options a)100m b)50m c)250m

*November 11, 2016*

**math**

a number is divided into two parts such that one part is 10 more than the other. if the two parts are in the ratio 5:3,find the number and the two parts?

*September 7, 2016*

**math**

multiplying my number by 5 and adding 8 to it gives the same answer as subtracting my number from 20?

*September 7, 2016*

**math**

an alloy is formed by mixing 4.5g copper and 2.8g zinc.how much alloy of similar kind can be formed by using 13.5g copper?

*June 22, 2016*

**arithmetic**

find the common difference of A.P whose first term is 5 and the sum of its first 4 terms is half the sum of next 4 terms

*March 2, 2012*

**Chemistry**

In Zinc blend structure (r[zn2+]+r[s2-]) is equal to? (if edge lenght is a)

*May 25, 2011*

**Chemistry**

In AB...AB...AB type arrangement if all the atoms present in body are removed,then packing fraction of the crystal is?

*May 25, 2011*

**Chemistry**

In a unit cell(cubic)atoms A,B & C are located at corners, face-centres and edge centres respectively. If atoms touching one of the rectangular plane of symmetry and one of the tetrad axis are removed then formula of the compound will be? 1)ABC2 2)AC2 3)AB3C3 4)Both 1)& 2)

*May 25, 2011*

**Chemistry**

What is the concentration of NO3- ions when equal volumes of 0.1M AgNO3 and 0.1M NaCl are mixed together?

*May 25, 2011*

**Physics**

The electric field between the two parallel plates of an oscilloscope is 1.2 X 10^5 V/m. If an electron of energy 2 keV enters at right angles to the field, what will be its deflection if the plates are 1.5 cm long?

*May 25, 2011*

**Chemistry**

the vapour pressure of a solution having 2g of solute X ( molar mass=32)in 100g of CS2(vapour pressure = 854 torr)is 848.9 torr. The molecular formula of solute is?

*May 25, 2011*

**economics**

charts for economic and non economic activities

*December 9, 2010*

**economics**

chjarts for economic and non economic activities

*December 9, 2010*

**economics**

charts for cardinal and ordinal utility

*December 9, 2010*

**economics**

charts for inductive and deductive study

*December 9, 2010*

**economics**

charts for positive and normative study

*December 9, 2010*

**economics**

charts for micro economics and macro economics

*December 9, 2010*

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