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Neha

Questions (50)

A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the
1. 1 answer
2. 128 views
Please Help!What is the direction of the vector r of t equals the vector with components square root of 3, 1? (10 points) A) pi
1. 3 answers
2. 391 views
Planck's constant is 6.63 * 10^-34 Js and the mass of the electron is 9.11*10^-31 kg. Calculate the uncertainty in the position
1. 1 answer
2. 347 views
An innovative rural public health program is reducing infant mortality in a certain West African country. Pretend the program in
1. 1 answer
2. 514 views
10g of h2so4 is added into 20g of water. Calculate the mole fraction of h2so4
1. 1 answer
2. 501 views
The cost of 100 fruits is rupees 500. Cost of 1 watermelon ,1 guava,1 banana respectively rupees 50,10 and 1 find the no.of
1. 2 answers
2. 487 views
Calculate the sum possible two-digit number using the digits 3 and 4
1. 1 answer
2. 408 views
Can anyone, a experienced person tell whether breaking of an egg is chemical or a physical change.. Coz no one has given a
1. 1 answer
2. 552 views
the cost price of16 books is equal to the selling price of 30 books.Find the gain%?
1. 1 answer
2. 430 views
A man travels 12km towards west then 3 km towards south and then 8 km towards east. How far is he from the Start?
1. 3 answers
2. 2,601 views
The capacity of a rectangular tank is 5.2cubic metre and area of its base is 2.6Ã—1000 square centimetres.find its height
1. 1 answer
2. 502 views
A cyclist move 4km in the east diraction then he turn to north and move 3km . Find displacement.
1. 1 answer
2. 430 views
The mass of sodium carbonate required to prepare 250ml of 0.4N solution is
1. 1 answer
2. 572 views
Arbitrary union of closed set is closed Prove or disprove
1. 1 answer
2. 516 views
Closure of the set of irrational number is phi
1. 1 answer
2. 468 views
A park is in the form of a rectangle 100 m×80 mat. At the centre of the park there is a circular lawn. The area of the park
1. 1 answer
2. 602 views
If 23% of the cars that pass by your house each day are red, 12% green, 4% yellow, and 31% black; what is the probability the
1. 1 answer
2. 594 views
A hand fan is made by stitching 6 equal size triangular strips of two different types. The dimensions of equal strips are 25cm,
1. 0 answers
2. 550 views
when x gram of carbon is completely burnt in certain amount of oxygen y gram of carbondioxide is form.what mass of Co2 will be
1. 0 answers
2. 643 views
An ant climbs onto the side of a bicycle tire a distance of 40.0 m from the hub. If the 0.010 g ant can hold onto the tire with
1. 0 answers
2. 543 views
Determine Centripetal Acceleration acting on the person standing at the equator? (the radius of earth is given)
1. 0 answers
2. 601 views
An airplane has an airspeed of 770 kilometers per hour at a bearing of N 48 degrees E. If the wind velocity is 28 kilometers per
1. 1 answer
2. 637 views
can someone read my english essay and correct it for me?
1. 1 answer
2. 517 views
An object of mass 0.5 kg is whirled at the end of a string 0.8 m long.If the string makes three revolution in 1.2 s,find the
1. 1 answer
2. 1,881 views
When doing translation you have to write for example A(1,1) then when you write it you write A'(2,2) how would you write it to
1. 0 answers
2. 495 views
determine the value of k for which the fuction f(x)=4x^2-3x+2kx+1 has 2 zeros.
1. 1 answer
2. 414 views
What you can predict about a reaction whose activation energy is zero?
1. 1 answer
2. 333 views
On the basis of MOT, explain why the stability of N2 decreases on ionization but the inverse is true for O2.
1. 0 answers
2. 365 views
Why Energy of is smaller than π2px and π2py in case of O2 but it is opposite in case of N2.
1. 0 answers
2. 303 views
Determine the mass of CuSO4.5H20 needed to make 100.00mL of a .100M CuSO4.5H20 aqueous solution..
1. 2 answers
2. 798 views
What is the largest amount of H2O in grams that can be formed when 5.70 g of H2 reacts with 5.70 g of O2, based on the balanced
1. 1 answer
2. 739 views
2 NO + O2 --> 2 NO2The reaction rate is increased fivefold when the temperature is increased from 1400 K to 1500 K. What is
1. 0 answers
2. 561 views
The iodide ion can be oxidized in an acidic solution by hydrogen peroxide. One proposedmechanism for the reaction is as follows:
1. 0 answers
2. 1,354 views
You are riding on a flatbed truck moving at 50 kilometers per hour. You have two identical guns, one aimed forward and one aimed
1. 4 answers
2. 973 views
Rank the following solutions in order of increasing acidity.1 M phenol 1 M boric acid 1 M cyanic acid 1 M formic acid 1 M
1. 1 answer
2. 986 views
A high diver of mass 69.4 kg jumps off a board 9.6 m above the water.The acceleration of gravity is 9.8 m/s2.If his downward
1. 0 answers
2. 504 views
A box of books weighing 303 N moves with a constant velocity across the floor when it is pushed with a force of 400 N exerted
1. 7 answers
2. 820 views
1. Question: Consider two planets with uniform mass distributions. The mass density and the radius of planet 1 are p1 and R1,
1. 1 answer
2. 2,241 views
Which of the following substances exist(s) as a resonance hybrid?CO2 (g) SO3 (g) HCO2- (aq) A. I only B. II only C. III only D.
1. 5 answers
2. 800 views
Nitrogen and hydrogen, with volumes of 12.0 L each, are injected into a sealed rigid reaction chamber containing a catalyst. The
1. 5 answers
2. 835 views
92.01 grams of N2O4 (g) is placed in a container and allowed to dissociate.N2O4 (g) --> 2NO2 (g) The mixture of N2O4 and NO2
1. 2 answers
2. 931 views
For each compound, draw a line structural diagram of all isomers. Identify the kind(s) of isomers illustrated.A. CH3CH=CHCH3 B.
1. 0 answers
2. 1,147 views
What type of isomers are [Pt(NH3)2Br2]Cl2 and [Pt(NH3)2BrCl]BrCl?A. Structural B. Geometric C. Linkage D. Coordination E.
1. 2 answers
2. 1,307 views
You want to determine the molar heat of solution of sodium chloride using a 10.0 g sample of NaCl(aq) and 50.0 mL of water in a
1. 4 answers
2. 667 views
2NaF + CaCl2 �¨ CaF2 + 2NaClAn excess of 0.20 M NaF is used to precipitate the calcium ions from a 50.0 mL sample of a calcium
1. 4 answers
2. 875 views
2 Al + 3 Cu(NO3)2 --> 2 Al(NO3)3 + 3 Cu1. Write balanced equations for the oxidation and reduction half-reactions. Identify each
1. 0 answers
2. 1,102 views
1. I got a list of solutions. We did a test in the lab to figure out what was there pH. How do you figure out which one is the
1. 1 answer
2. 538 views
A contractor plans to build an artist's studio with a roof that slopes differently on the 2 sides. On one side, the roof makes
1. 0 answers
2. 734 views
Between 1935 and 1957, a period that included World War II, the birth rate rose from 16.9 to 25 per 1000 people. What was the
1. 2 answers
2. 472 views
i need a written example of an article.
1. 1 answer
2. 1,003 views

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