The origin of V1: V2 = N1: N2

RELATED INFORMATIONS

• 1. T. P same: V1: V2 = N1: N2 Who can help me write down the derivation process of this chemical formula P * m / ρ = RT * m / m what's going on?
• 2. One mole of O2 and two moles of N2 are mixed to calculate the average molecular weight of the mixed gas
• 3. Known vectors M1 = (0, x), N1 = (1,1), M2 = (x, 0), N2 = (y ^ 2,1) Let m = vector M1 + radical 2, vector N2, n = M2 - radical 2, vector N1, and m ‖ n, the locus of point P (x, y) is curve C (1) Let the line L: y = KX + 1 intersect with the curve C at two points a and B. If AB = (4 radical 2) / 3, the equation of the line l can be obtained
• 4. Given that sin θ and cos θ are two of the equations 5x ^ 2-x + 5m = 0 about X, find the value of real number M
• 5. (m2-n2) (m2-n-2) - 8 = 0, then the value of m2-n2 is
• 6. If / M + 1 / + (n-2) 2 = 0, then the root of the original equation (m2-3m-4) X2 - (N2 + 4) X-1 = 0 is /M + 1 / / is the absolute value sign
• 7. Solving mathematical problems -- given that X-1 is the root of quadratic equation x2 + MX + n = 0, then the value of M2 + 2Mn + N2
• 8. Using the collocation method to solve the quadratic equation of one variable X2 (that is the square of x) + 2mx + N2 = 0 Try to prove that the equation (m2-8m + 17) x2 + 2mx + 1 = 0 about X is a quadratic equation with one variable no matter what the value of M is
• 9. (superspeed) solve the quadratic equation of one variable x2 + 2mx + 2 = 0 with respect to x, and point out the value of M2
• 10. The absolute value formula of the number less than minus two fifths and minus one half
• 11. 1.M=m/n 2. D = m / M (a) d is the relative density 3. M / M (a) = what / ρ (a) Help me to explain the meaning of 1 and 2, and can 1 be used to calculate the relative molecular mass of gas and solid? What is density or P in 3 T. P same: V1 / V2 = N1 / N2 (= N1 / N2)
• 12. In the case of TP, V1 / V2 = N1 / N2 = N1 / N2, and in the case of TP, density 1 / density 2 = M1 / m2 are both correct
• 13. The transformation of [M2 + (√ 2) N2] / [M1 + (√ 2) N1] forms a + √ 2B
• 14. 7 to the power of 24 - 1 can be divided by two numbers between 30 and 40
• 15. How to get adjacency matrix from incidence matrix of graph
• 16. Let a be a square matrix of order n, and the square of a = e (or identity matrix), then why should all eigenvalues of a be justified
• 17. It is known that the coordinates of vertex A and B of square ABCD are a (1,0), B (5,3) respectively, and point D is in the second quadrant
• 18. There are three numbers in an equal ratio sequence, and the sum is 21. If the third number subtracts 9, then the three numbers will become an equal difference sequence, and the three numbers can be calculated I figured out that the middle number was four,
• 19. Solve the equation 8x + 4 = 2 (4x + 3) - 2 (- 3 + x)
• 20. Solve equation 4.6 times 3 divided by 0.7x = 29.9 It's urgent