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Posts by shivani

Total # Posts: 24

Science
Write balanced chemical reaction of the following- Stem is passed over heated iron to form magnetic oxide of iron and hydrogen.

physics
A constant force acts on a body mass 0.9 kg at rest for 10s.If the body moves a distance of 250m ,the magnitude of the force is

ap cal
An elevated train on a track 20 feet above the ground crosses a street at a rate of 25 feet per second and at a 30 degree angle. Five seconds later a car crosses under the tracks going 40 feet per second. How fast are the train and the car separating 3 seconds later?

science
identify the type of reaction when hydrogen sulphide gas burns in oxygen to give water and sulphur dioxide

physics
rain is falling at 5m/s making 30 degrees with the vertical towards east . to a man walking at 3m/s on a horizontal road towards east , the rain appears to be at a speed of

science
How far should be an undersea object/rock to hear theacho?Speed if sound in water is 1500m/s.

basic chemistry
different ways to split a mixture of benzene into components using two phase system separation

st. joseph school
2icap-jcap+xkcap is a unit vector than find the value of x?

st. joseph school
vector A =icap+jcap +2kcap. find a vector B which is perpendicular to vector A and whose magnitude is 5.

A.AA.SK.v. math
2.7.12....10term

Warren g Harding
Karina walked from home to the library did some homework then walked back home distance from home/ time

Statistics
no not 19 students

maths (exponents
if abc=1 prove that 1/(1+a+b^-1) + 1/(1+b+c^-1) +1/(1+c+a^-1) =1

chemistry
Mole fraction of NaOH is aquous sol 0.15 Find molarity of the solution, %w/w, if the density of solution is 1.25 g/ml

math
Given figure A and Figure B such that ar(A) = 20sq.units and ar( B ) = 20 sq. A. Figure A and B are congruent B. Figure A and B are not congruent C. Figure A and B are similar D.Figure A and B may or may not be congruent

Social studies
Zebulon

Chemistry PLZ HELP!!!!!
Co2

math
1/2*(24*25) =1/2*600 =300

11th grade
write a factual description of the scene at the park in your locality in the morning hours

chemistry
I am given the following reaction: 2NH3(g) -------> N2(g) + 3H2(g) My question is: 6.4 mols of ammonia gas has been put into a 1.7 L flask and has been permitted to reach equilibrium in accordance to the reaction listed above. If the equilibrium mixture has 4.2 mols of ...

chemistry
I want to apoligize. The equilibrium is 4HCl(g) + O2(g)--->2H2O(g) + 2Cl2(g) Not 4HCl(g) + O2(g) ---> 2H2(g) + 2Cl2(g).

chemistry
which quantum number, or quantum numbers, can be connected with the direction a particular orbital position points in space, regarding wave mechanics?

history
what is the legend of kailashnath templee.. in kanchipuram.?? plzz reply .. need it urgently .. I checked dozens of web sites about the Kailashnath Temple and none mentions any legends. This is the most complete article I found about the temple. http://www.4to40.com/...

Newspaper Article Review
i was very impressed

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