đốt cháy hoàn toàn 0,25 mol hỗn hợp y gồm 3 este đơn chức vừa đủ v lía o2 sau phản ứng thu được 1 mol co2 và 0,75 mol h20 giá trị của v là

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device