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States of MatterQuestion and Answers: Page 1

Question Number 212018 Answers: 0 Comments: 0

Question Number 203879 Answers: 1 Comments: 0

Complete and balance the following chemical reaction equation (a)Ca + H_2 O → (b)BaCl + H_2 SO_4 → (c)CuSO_4 .5H_2 O →^(Heat strongly) (d)ZnCO_3 +HCl → 31/1/2024

$Complete and balance the following chemical reaction$ $equation$ $(a) Ca + H_{2} O \to$ $(b) BaC l + H_{2} {SO}_{4} \to$ $(c) {CuSO}_{4} . {5 H}_{2} O \overset{Heat strongly}{\to}$ $(d) {ZnCO}_{3} + HC l \to$ $31 / 1 / 2024$

Question Number 203878 Answers: 1 Comments: 0

A compound M is composed of 52.2% carbon ,13% hydrogenand the rest is oxygen.if the molecuar mass of M is 138 (a)The empirical formular (b)The molecular formular 31/1/2024

$A compound M is composed of 52 . 2 %$ $carbon, 13 % hydrogenand the rest$ $is oxygen . if the molecuar mass of M is 138$ $(a) The empirical formular$ $(b) The molecular formular$ $31 / 1 / 2024$

Question Number 180902 Answers: 1 Comments: 0

Calculate the root mean square speed of the molecules of a Helium gas kept in a gas cylinder at 400K. [Take R = 8.3 Jmol^(−1) K^(−1) ] The answer provided is 1.58 kms^(−1) Please I need help with the solution

$Calculate the root mean square$ $speed of the molecules of a H e l i u m$ $gas kept in a gas cylinder at 400 K .$ $[T a k e R = 8.3 {J m o l}^{- 1} K^{- 1}]$ $T h e a n s w e r p r o v i d e d i s 1.58 {k m s}^{- 1}$ $Please I need help with the solution$