Kate and Sally are very interested in movies. So they planned to (_小题1:_) last Saturday. The famous film AVATAR was on at Jinying Theatre. They decided to meet at the bus stop at 6:30 p.m. and then (__小题2:_) together to the theatre. When Kate got to the bus stop, it was already 6:26 p.m. But she couldn’t see Sally. Sally was late as usual. Fifteen minutes later, Sally came. When they got to the theatre in a hurry, the movie (_小题3:_). They were told that all the tickets had been sold out. What a pity it was! Later they went shopping instead.

（12分）中和热是在稀溶液中，酸和碱反应生成1mol水所放出的热量。某同学利用50 mL 、0.50 mol/L盐酸与50 mL 0.55 mol/L NaOH溶液在如图所示的装置中进行中和热测定的实验，回答下列问题：

（1）从实验装置上看，图中尚缺少的一种玻璃仪器是（量筒除外）___________________。

（2）为保证该实验成功该同学采取了许多措施，如图的碎塑料泡沫的作用在于___________。

（3）用60 mL 0.50 mol/L盐酸与50 mL 0.55 mol/L NaOH溶液进行反应，与上述实验相比，所求的中和热_________________(填“相等”“不相等”)

（4）用正确的方法测得含有11.2 g KOH的稀溶液与1 L 0.1 mol/L的H₂SO₄溶液反应，放出11.46 kJ热量，表示其中和热的热化学方程式为____________________     ____。