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Chemistry

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Is there a way to notice if a reaction is exothermic or endothermic in a word equation?

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A 15.75 g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25 degrees celcius to 165 degrees celcius. calculate the specifi

A 10-kilogram bird is flying at a velocity of 5 meters/second. find its kinetic energy at that point.

A 2500 kg car traveling to the north is slowed down uniformly from an initial velocity of 38.4 m/s by a 5010 n braking force acting opposite the car's is the ca

The equation for line r can be written as y= -4x + 9. Perpendicular to line r is line s, which passes through the point (-10, -3). What is the equation of line

A 2500 kg car traveling to the north is slowed down uniformly from an initial velocity of 38.4 m/s by a 5010 n braking force acting opposite the car's is the ca

ಭಗತ್ ಸಿಂಗ್ನ ಸಹೋದರಿಗೆ ಅವನ ಉಪವಾಸಕ್ಕೆ ಕಾರಣ ಹೇಗೆ ತಿಳಿಯಿತು ?

Choose the correct temse of the verb given in the bracket.(a)I(know) him for long time.

kin karnoe se unhe bholenath kaha jata tha

A jug contains 2100 ml of water.how many glasses of 50 ml and 25 ml can be filled so that the jug is emptied ?

(i) संतुलितभोजनं किं कथ्यते? (ii) 'प्रोटीन' इति तत्त्वेन किं भवति? (iii) रूक्षांशान्' प्राप्तुं किं किं खादितव्यम्? (iv) खनिजपदार्थेषु किं किम् आवश्यकम् भवति? (

A rectangle is drawn so the width is 5 inches longer than the height. If the rectangle's diagonal measurement is 32 inches, find the height.

A rocket is on the launch pad, ready to send communication satellites into space. how fast is the rocket traveling 12 seconds after launch if it accelerates at

A researcher report from an independent-measures study statesthat there are significant differences between treatments, F(2,36)= 3.45, p < .05. How many treatme

A right prism with a triangular base has a volume of 66 mm 3 . the right prism is 6 mm tall. the triangular base of the prism has a base length of 11 mm . what

A rocket's flight path from launch is modeled by the function r(x)=150√(x-2), where x is time in seconds and r is the distance in feet. find the average rate of

expansion of idea on child labour is curse

even number two digits the ones digit is one more than the tens digit the number is multiple of 2

in my class the ratio of students getting A+ grade to the total number of students is 1:10 and in my sister's class it is 5:36 . Whose class has a better score

(7) 0 का अर्थ है- 8 पृथ्वी का आकर्षण बल गुरुष गुरुत्वाकर्षण स्वतनी रूप से गिरती हुई वस्तु के वेग मे करण

what is 15% of 375?