• 2022-07-02
    水在 [tex=2.143x1.071]8LIofHN9OwL+t1Gb0rx/gjfLy7Qi9Fyr5VCI3TePFlU=[/tex]时的饱和蒸气压为[tex=3.5x1.0]uCHMtjqp2F/ze4whcIVnLlrqG0nhDXwReLIcGufP324=[/tex]。若于[tex=2.0x1.214]s3SpHImkN89g3m0RxY2oZw9LC4sodaGKNri8PMH92ig=[/tex]水中溶有[tex=2.286x1.214]wQoNKGtZGj4ZzT7NAAKe4eIrx1PoXt41EARtHXVyE4g=[/tex] 蔗糖[tex=4.857x1.357]v0TnM0sNggSSRxdXXP3uAeNe87Aq27NT8S1RjYd7yiznvKyfkVBfup2YIiy+Ighi[/tex],求此溶液的蒸气压。
  • 解 根据 [tex=6.714x2.286]sGusmKFjgUxHJBU+dHvxkaLdkax2QUJeD2Nc+bWZWno0lltmzAcnejGYTSBHNwGUgR0GW/+Ctgu36WC2dyZB+DnOk/v/iAqam12zotYLXRg=[/tex],[tex=14.571x2.643]JVTyzFqSOF95KGcWC2xREuTJOGNH/9zUJXlTUznHTS6Gd7RMhyyDLHuXzXUF/AYEiKjFyxJ0cW7Gje/kUShF5S1cEP6ZFDy6eU5ln5Iv3hAgrqoyCq+AEYgQ7gxxeUQkweO6/Ca2R3e9ebRnX41WxZ2DioAMS7/Y/fBjELlbPPc=[/tex][tex=1.643x0.786]jL6MzKMO8n23BxTxzOHeHA==[/tex]((蔗糖 )=[tex=10.786x2.643]x+jF+3QS1PJmOTcySi43NYAb6fUKhdzvr6Matmng5OJ/OZyK9HNShVrURoQJSkH2fVXbrgCfYcUl98Xhm7H32Fj6Fjpul85zvCd4HCuqqz3w8uV+9oeCZQ9QK7aXwONq[/tex][tex=26.857x2.286]jxWVta6M/aMFqDpEZaD1dySrtVTNithpPU05jJLTWzBB/gbMN5Bo5nZscDQSI8/7euR6dbToWKhXukdXPSY/jnwET2hBlKgp8ckcTSAQhR2+pms9oBFjZYGiiVMSxeouRp0S4G91vG+2Y5jsu6+6lvJUMSWMpLg2QjMW3b/mZE9xHmWDZl37rbV7ZSrRhA0ylnhRWKpKfYGvYsEC9NyE5A==[/tex][tex=18.643x1.5]WKA3kjdeV4dfHPrne8bDLEU+DQ4JfQTEJCICBDjqzhLPBNEGLsEH0/xap7cxuYgPA+kZRwhFuyF8eukzE928fr2C9lQjVImvCl4gkxG3i3vH7pWGGD1pCh/wIldAg+kSjOeXRcFTdslz43uWLJC9jQ==[/tex]

    内容

    • 0

      【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]

    • 1

      以下程序段实现的输出是()。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9

    • 2

      假设“☆”是一种新的运算,若3☆2=3×4,6☆3=6×7×8,x☆4=840(x>0),那么x等于: A: 2 B: 3 C: 4 D: 5 E: 6 F: 7 G: 8 H: 9

    • 3

      设DES加密算法中的一个S盒为: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 A: 1010 B: 0001 C: 1011 D: 0111

    • 4

      设DES加密算法中的一个S盒为: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 14 4 13 1 2 15 11 8 3 10 6 12 5 9 0 7 0 15 7 4 14 2 13 1 10 6 12 11 9 5 3 8 4 1 14 8 13 6 2 11 15 12 9 7 3 10 5 0 15 12 8 2 4 9 1 7 5 11 3 14 10 0 6 13 若给定输入为101101,则该S盒的输出的二进制表示为