Question

A precipitate will form when aqueous AgNO₃ is added to an aqueous solution of which compound?

Group of answer choices

LiCl   

NH₄C₂H₃O₂

NaNO₃     

KNO₃   

If 50.0 g H₂O at 13.6 °C is combined with 85.0 g H₂O at 93.7 °C, which is most likely to be true?

Group of answer choices

The final temperature of the water is between 13.6°C and 93.7°C   

The final temperature of the water is lower than 13.6 °C     

The final temperature of the water is equal to 93.7 °C

The final temperature of the water is equal to 13.6°C  

Which of the following substances (with specific heat capacity provided, c) would show the greatest temperature change upon absorbing 100.0 J of heat?

Group of answer choices

10.0 g Au; c for Au = 0.128 J/g°C     

10.0 g H₂O, c for H₂O = 4.18 J/g°C

10.0 g Fe, c for Fe = 0.449 J/g°C

10.0 g Ag; c for Ag= 0.235 J/g°C

Answer 1

0 Agnez 7 lica Agce + Lino ppt) woher Agnez » stearted with hill then it will form option (A) es correct ppt @ sog of H2O sit 136 and 85 85 g H2O at q31c. The exn will equaline to come in equillibrium then the tempt will be lowerged for water sample at 43.7°C and rise for water at 13.6°c. so the final tempt. of H2o will be between 13.6°C and 93.4°C. option LA is corret ① q = 100 joules greatest tempt change = ? @ Auly 0.128 Ilja q= 100 g Au MATC 100 z 10 X 0.28 XAT AT: 18.125°C (6) 10.og 10.0 g H2O. c for H2O z 4.18 5/02 q = MCAT 2 2-392°C ATS Joo 10X4.18 AL z 20392°C Pand

(c) (Dəо я C he fore Fe b-que olac 95 БТ. ИС ДТ 2 Тоо- (6 Хочу AT 2 22-2с 22. 23°o (Q) 10 9 Ня сия 0.23S / 3 с 9e McAT Дs (бо (0Xo.235 ДТ 2 42.5°C Ич йуомітили. Tempt change for lo option (A) is correct.