02-02-2018
Chemistry

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please help me , I’m stuck on this question . I will reward Brainly

please help me Im stuck on this question I will reward Brainly class=

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02-02-2018

exoskeleton is the skeleton outside the body ex:cockroaches and a few insects
endoskeleton is the skeleton inside the body ex:humans and most of the mammals

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Please help, the questions are now attached

According to Reference Table N, which pair of isotopes spontaneously decays? (1) C-12 and N-14 (3) C-14 and N-14 (2) C-12 and N-16 (4) C-14 and N-16

Y = -3x + 15 what are the steps to solving this

Justify each step used to simplify the expression.3x+2y-2x+2=3x-2x+2y+2

Kira walks 8 1/2 block in 17 minutes . If Kira continues to walk at a steady pace,how many block will she walk each munite?

In which 0.01 M solution is phenolphthalein pink? (1) CH3OH(aq) (3) CH3COOH(aq) (2) Ca(OH)2(aq) (4) HNO3(aq)

What is the solution of -14+x=23

Which chemical equation is correctly balanced? (1) H2(g) + O2(g)=> H2O(g) (2) N2(g) + H2(g) =>NH3(g) (3) 2NaCl(s)=>Na(s) + Cl2(g) (4) 2KCl(s) => 2K(

All the isotopes of a given atom have(1) the same mass number and the same atomic number(2) the same mass number but different atomic numbers(3) different mass

1.A heater supplies 500kj (500,000J) over 10 minutes. a.The latent heat of ice is 340,000J/kg, how much ice could melt in 10 minutes? b.The latent heat of zinc