A 0.0416 kg ingot of metal is heated to 170â¦C and then is dropped into a beaker containing 0.376 kg of water initially at 26â¦C. If the final equilibrium state of the mixed system is 28.4 â¦C, find the specific heat of the metal. The specific heat of water is 4186 J/kg · ⦠C. Answer in units of J/kg · ⦠C

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit