Không khí có thể tích 2,48 m khối, nhiệt độ 15 độ C áp suất p bằng 1 bar khi bị nén đoạn nhiệt không khí nhận công thay đổi thể tích 471 kj xác định nhiệt độ cuối biến đổi nội nawng và entanpi

How much heat is needed to change the temperature of 3 grams of gold (c = 0.129 ) from 21°c to 363°c? the answer is expressed to the nearest whole number.

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.