Prakticheskaia Rabota 1 Po Khimii 11 Klass Novoshinskii May 2026

Heating an organic substance (like paraffin or sugar) with copper(II) oxide. Carbon is detected by the formation of CO2cap C cap O sub 2

Comparing the reaction of different metals (e.g., zinc vs. iron) with hydrochloric acid.

A table with three columns: What was done , Observations (what you saw), and Equations/Conclusions .

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prakticheskaia rabota 1 po khimii 11 klass novoshinskii

Tiffany Disher

General Manager, MENU North America

Tiffany Disher, General Manager, MENU North America, an omni-channel ordering solution to futureproof restaurant’s growing digital sales needs. Before taking on this new role in January 2023, she was an integral part of Punchh’s growth story. She has advised hundreds of customers over the past eight years on their loyalty strategies both from a base program standpoint as well as ongoing marketing strategies. Before Punchh, Tiffany worked for Schlotzsky’s where she supported the brand marketing team by leading loyalty, eClub, R&D, Franchise advisory council and marketing analytics. Tiffany has her Bachelor’s of Science in Economics from University of Oregon and Master’s in Business with a specialty in Marketing from Baylor University. An avid golfer, hiker and mom of two small children, Tiffany spends her limited free time entering into baking competitions.