How quickly will I receive my key after purchase?

Most keys are delivered instantly by sellers after payment confirmation. You will receive the key by email or directly on the website.

Can I return or exchange a key if it doesn’t work?

Usually yes, key sellers provide a guarantee on all keys. In case of activation issues, contact the seller’s chat for assistance.

Are keys supported for different platforms — Steam, Xbox, PlayStation, and others?

Yes, on Irongamers you will find keys and accounts for most popular platforms, including Steam, EA Play, Uplay, Xbox, Twitch, and Epic Games.

Can I get discounts and bonuses for referrals?

Usually yes, sellers can give personal discounts on new games and keys.

What payment methods are available?

We support various payment methods: bank cards, e-wallets, SBP, and other convenient options.

How is security and confidentiality ensured when buying?

The purchasing process takes place on a special page that uses modern data protection methods, encryption, and guarantees full confidentiality of your payment and personal data.

111. Solving a chemistry problem

5 (1 reviews)

Content: 49.rar (20.75 KB)
Uploaded: 24.08.2022

Positive responses: 1
Negative responses: 0

Sold: 1
Refunds: 0

Seller: Derkach

Ask a question

Description

49. The reaction of the interaction of acetic anhydride with water is a first order reaction (15 ° C): (CH3CO) 2O H2O \u003d 2CH3COOH. At the initial time, the solution contained 0.892 mol of acetic anhydride, and after 1.5 minutes its amount decreased to 0.481 mol. Calculate the rate constant, the half-life, the initial reaction rate, and the reaction rate at the time equal to the half-life.

Additional information

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.

$1.13

111. Solving a chemistry problem

Description

Additional information

Reviews