According to the following thermochemical equation,what mass of HF (in g) must react in order to produce 345 kJ of energy? Assume excess SiO2. SiO2(s) + 4 HF(g) → SiF4(g) + 2 H2O(l) ΔH°rxn = -184 kJ
A) 42.7 g
B) 37.5 g
C) 150. g
D) 107 g
E) 173 g
Correct Answer:
Verified
Q31: A 100.0 mL sample of 0.300 M
Q32: Given w = 0,an endothermic reaction has
Q33: What volume of benzene (C6H6,d= 0.88 g/mL,molar
Q34: Which of the following statements is TRUE?
A)
Q35: Two aqueous solutions are both at room
Q37: According to the following reaction,how much energy
Q38: Which statement is FALSE?
A) An exothermic reaction
Q39: An exothermic reaction has
A) a negative ΔH,
Q40: Using the following thermochemical equation,determine the amount
Q41: Use the ΔH°f and ΔH°rxn information provided
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents