Biện pháp bảo vệ môi trường trong nông nghiệp.

In Stock

Size Guide

$34.99 $29.99

Shipping and Returns Policy

A 1.0 M aqueous solution of which compound has the lowest pH? (A) CH3CH2OH. (B) CH3COOH. (C) CH3CHO. (D) Cl3CCHO. 58. A six ... Cân bằng hoá học sẽ chuyển dịch về phía tạo ra nhiều CH3CHO hơn khi - Tuyển chọn giải SBT Hóa 11 Chân trời sáng tạo hay, chi tiết giúp bạn làm bài tập trong ... Aug 21, 2022 ... C2H2 + H2O → CH3CHO. (Phương trình này xảy ra với điều kiện có xúc tác của nhiệt độ và HgSO4). CH3CH2OH + ½ O2 → CH3CHO + H2O. (Phương trình ... SiH, + CH3CHO. Data points are shown individually and the lines are RRKM ... Moss, R. A., Eds.; Wiley: New York, 1978 (Vol. I, p. 229), 1981 (Vol. 2, p ... Aug 5, 2016 ... Cho dãy các chất: CH3OH, C2H5OH, CH3CHO, C2H2, C2H4, C4H10, CH3COOCH3. Số chất trong dãy mà bằng một phản ứng trực tiếp tạo ra axit axetic là A. Oct 25, 2020 ... Start by identifying the valence electrons of each atom in the given molecules; for example, carbon has 4 and hydrogen has 1. Step 1. The ... Jul 13, 2024 ... ... ra Y bằng một phản ứng duy nhất. Chất X là: A. Axit axetic. B. Rượu etylic. C. Etyl axetat. D. Axit fomic. Xem đáp án » 16/08/2022 420. ... RA Leiden, The Netherlands ... Our experimen- tal results clearly demonstrate that starting with different parent species (C2H2 or CH3CHO) under different ... aromatics, HONO, C2H2, as well as an updated isoprene oxidation scheme ... Elleman, R. A., and Covert, D. S.: Aerosol size distribution modeling with ... CH3CHO, HNO3 et H2O2. Pour toutes ces espèces, trois jeux différents de ... Atkinson R., Baulch D. L., Cox R. A., Hampson R. F., Kerr Jr. J. A., Rossi ...
  • Next Day Delivery by USPS Find out more

    Order by 9pm (excludes Public holidays)

    $11.99

  • Express Delivery - 48 Hours Find out more

    Order by 9pm (excludes Public holidays)

    $9.99

  • Standard Delivery $6.99 Find out more

    Delivered within 3 - 7 days (excludes Public holidays).

  • Store Delivery $6.99 Find out more

    Delivered to your chosen store within 3-7 days

    Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store
  • International Delivery Find out more

    International Delivery is available for this product. The cost and delivery time depend on the country.

You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.

You have 28 days to return your order from the date it’s delivered. Exclusions apply.

View our full Returns and Exchanges information.

Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.

No reviews yet. Only logged in customers who have purchased this product may leave a review.