Question

5.175 g of water was heated from 15 °C to 88 °C. How many kilocalories were absorbed by the water? Given water has a specific heat of 1.00 cal/g °C. [10 pts.] 6. What are the products formed in an acid-base neutralization reaction? [3 pts.] A) an acid B) a base C) a salt and water D) an acid and water 7. The anhydrous compound that will absorb water from the atmosphere is. [2 pts.] a) hygroscopic b) a hydrate c) deliquescent d) efflorescent 8. Define Buffer solutions. Give one biological importance of a buffer solution. [3, 2 pts.]

Answer 1

S heat 1 absorbed water by mcOT m = Moss water 175 gm AT = Tj - T 884 - is 73'c heat ca capacity wata of 1-00 cal Igoc quo 175 X 100 X 73 cal 12,775 cal 12.775 kcal Salt and water 6 @ Nalu и, в HU + Naou water (salty (Acid) (Base) substance Any that will will absorb an Hy@groscopic water from atmosphere. butter A an solution is AQU COUS salotion consisting of a conjugate bore on vice acid له لیا and its a mirtere It resist can but ch ange ph upon addition vall , and boric of on component component. acidic essential is 9n that boilogical systems, it ph stays 1 tar work properly. order Constant in to any processes If blood varies by 0.5 it can lead py as to coma