Answer all please eas intially occuples a volume of 5.00 L with a pressure of 27

Question

Answer all please eas intially occuples a volume of 5.00 L with a pressure of 273 Torr. What is the pressure of h a volume of 4 so 17 Note: the temperature and moies of nitrogen do not change A 246 Torr 2.73x 10 Torr C 844 Torr D. 303 Ton Onyen gas initially occupies a volume of 252 ml at 25 c. What is the volume of this gas if its temperature s increased by 35°C?Note: the pressue and moles of oxygen do not change. A 282 ml 605 ml C 353 m D. 260 ml 9 Which of the following is a product of the reaction of hydrochloric acid with calcium carbonate? B CO2 () D. all of the above 10 A250 ml of quantity of a 4.0 M HCI solution was added to a flask and then diluted with water until a final volume of 1.50L was obtained. Which of the following is the concentration of HCI in the diluted solution? A 6.0M B 16M C 0.67 M D. 24 M Form

Explanation / Answer

10.(c) 0.67 M

M1V1=M2V2

4*0.25 = M2*1.5

M2= 0.67 M

9. (d) CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)

8. (d) V1 =252ml T1= 298K

V2= - - T2=308K

V1/T1=V2/T2

252/298=V2/308

V2 = 260ml

7. (d) p1v1=p2v2

p2 = 303 torr

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