皮皮学，免费搜题
登录
搜题
【单选题】
A flask contains a mixture of He and Ne at a total pressure of 2.6 atm. There are 2.0 mol of He and 5.0 mol of Ne in the flask. The partial pressure of He is __________ atm.A.
9.1
B.
6.5
C.
1.04
D.
0.74
E.
1.86
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列程序执行后, z的值是() int x=3,y=4,z=0; switch (x%y+2) { case 0: z=x*y; break; case 6: z=x/y; break; case 12: z=x-y; break; default: z=x*y-x; }
A.
15
B.
9
C.
-2
D.
12
【简答题】美丽的田野 线描装饰画
【单选题】执行下列程序段后, B 的值是 ( )。 int x=35;char z=’A’;int B;B=((x&15)&&(z<’a’));< /div>
A.
1
B.
15
C.
b
D.
0
【简答题】A．Shopping, cooking and taking care of the garden B．House cleaning, car repairs and watering the garden C．Laundry, house cleaning and car repairs D．Laundry, card pairing and cleaning the house
【简答题】According to the author, how would an American family with a car and a house in the suburbs probably feel about themselves today?
【简答题】执行下列程序段后, z的值是( ) int x=16,y=21,z=0; switch(x%3) {case 0: z++;break; case 1: z++; switch(y%2) {default: z++; case 0: z++; break; } }
【单选题】下列程序段执行后x、y和z的值分别是( ) int x=10，y=20，z=30； if(x＞y)z=x；x=y；y=z；
A.
10，20，30
B.
20，30，30
C.
20，30，10
D.
20，30，20
相关题目：
【单选题】执行下列程序段后, B 的值是 ( )。 int x=35;char z=’A’;int B;B=((x&15)&&(z<’a’));< /div>
A.
1
B.
15
C.
b
D.
0