100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
unit 16 Assignment 2, extended diploma science btec £7.49   Add to cart
Quickly navigate to
Preview
  2.  
  3. PEARSON (PEARSON)
  4.  
  5. Applied Science 2010 QCF
  6.  
  7. Unit 16 - Chemistry for Biology Technicians

Answers

unit 16 Assignment 2, extended diploma science btec
 500 views  5 purchases

This includes: P2, M2, D2 questions task criterion: P2 To carry out experiments to show the effect on the rates of reactions of changes in concentration, particle size, temperature and presence of a catalyst. M2 To explain variation in rates of reaction as a function of concentration, particle siz...

[Show more]

Preview 1 out of 12  pages

Document information

  • May 16, 2019
  • 12
  • 2018/2019
  • Answers
  • Unknown

Subjects

Written for

All documents for this subject (8)

Seller

avatar-seller
bziman

Reviews received

Content preview

Task 1


Concentration and the rate of reaction

Method:

- Weight 10g of marble chips on the top-pan balance
- Une a measuring cylinder to measure out 10 cm3 of 1.00 mol dm-3 hydrochloric acid.
Pour the acid into the conical flask.
(care: 1.00 mol dm-3 hydrochloric acid is an irritant.)
- Set up the following apparatus but do not add the marble chips yet




- Add the marble chips to the conical flask and quickly stopper the flask and connect
the gas syringe. Start the stopclock at the same time.
- Mesure the volume of gas (carbon dioxide) Procedur every 20 seconds.
- Do not stop the clock between readings
- Record your results in a table
- Repeat the experiment using: 20 cm3 0.50mol dm-3 hydrochloric acid, and 40 cm3
0.25 mol dm-3 hydrochloric acid.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller bziman. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £7.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67474 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£7.49  5x  sold
  • (0)
  Add to cart