please help me, only two numbers please i need your help.. thx Among the following equations, the ones that are already equivalent ardaA. Cr203 + 2 AIAl203 + CrB. Al + H2S04Al2 (SO4) 3 + H2C. C2H5OH + 02 → 2CO2 + 3H2OD. Mg(OH)2 + 2HCI-MgCl2 + 2H2OE. Cu + H2S04 CUSO4 + 3 H2O + SO2 The molecular formulas of hydrochloric acid, sulfuric acid, and phosphoric acid areA. HCIO, H2 S, and H3 PO3B. HCI, H2 SO3and H3 PO4C. HCIO3 H2 SO4, and H2 PO4D. HCL, H2 S04 and H3PO4E. HCI, HNO3and H2 PO3

1. Given that : We have to determine which of the following equations are equivalent or balanced.

Answered: please help me, only two numbers please…

Science

Chemistry

please help me, only two numbers please i need your help.. thx

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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please help me, only two numbers please i need your help.. thx

Among the following equations, the ones that are already equivalent arda
A. Cr203 + 2 AI
Al203 + Cr
B. Al + H2S04
Al2 (SO4) 3 + H2
C. C2H5OH + 02 → 2CO2 + 3H2O
D. Mg(OH)2 + 2HCI-
MgCl2 + 2H2O
E. Cu + H2S04 CUSO4 + 3 H2O + SO2

The molecular formulas of hydrochloric acid, sulfuric acid, and phosphoric acid are
A. HCIO, H2 S, and H3 PO3
B. HCI, H2 SO3and H3 PO4
C. HCIO3 H2 SO4, and H2 PO4
D. HCL, H2 S04 and H3PO4
E. HCI, HNO3and H2 PO3

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Thank you I got the correct answer however I am unable to get the same answer on my calculator. I keep getting 3.1645425X10^-54. I don't know what I am plugging in incorrectly. This is what I plug in (6.626X10^-34)/(1.67X10^-27)(9.11X10^6)