ultimately learn the difference between composition, decomposition, single displacement and double displacement reactions.
Hydrochloricacid at lower concentrations is a skin irritant and if it comes into contact with the skin it should be washed with soap and water. Copper...
perform three investigations (A, B and C) to study three factors which affect the rate of chemical reactions. They use the | | |
|reactionbetween solid calcium carbonate (CaCO3) and excess hydrochloricacid (HCℓ) solution, represented by the balanced equation below, in...
concentration on the rate of a reaction - Investigating the effect of temperature or concentration on the rate of a reaction The Reaction I am going to use potassium carbonate to react with hydrochloricacid to form potassium chloride, water and the gas carbon dioxide. The equation for this is: Potassium...
exactly 0ºC and boils at exactly 100ºC.
Rates of Reactions
To measure the effects of changes in surface area, concentration of solutions, temperature and use of catalyst, you can react calcium carbonate marble chips with dilute hydrochloricacid and measure the mass of CO2...
hydrochloricacid and time how long it takes for the mixture to go cloudy and the cross to disappear.
When we look at our results we see that as we increase the concentration of sodium thiosulphate the rate of reaction increases.
My prediction is, as the temperature of the reaction...
solution to produce an increase in the rate of the reaction.
Investigating How Varying the Concentration of HydrochloricAcidAffects the Decomposition of Marble Chips
My aim for this experiment is to discover how varying the concentration of hydrochloricacid (HCl) affects the decomposition of marble...
(c)(i) (ii) (d) (e)(i) (ii) (iii) (iv)
Num. of mole of copper = 2.56 / 0.04 64 Num. of mole of oxygen = 0.64 / 0.04 16 CuO Magnesium and hydrochloricacid / Zinc and sulphuric acid CuO + H2 Cu + H2O Black powder change to brown Water 2 1 1 2 1 1 TOTAL 10
No. 5(a)(i) (ii...
Investigating The Rate Of ReactionBetween Marble Chips And HydrochloricAcid
I will use marble chips and different concentrations of hydrochloricacid and water to see how it affects the rate of reaction. I will use
concentrations of 50cm3 using different volumes of water and...
Aim: To find the effect of concentration of thiosulphate on the rate of reactionbetween sodium thiosulphate and hydrochloricacid.
Word Equation for the reaction:
Balanced Symbol Equation for the reaction:
Observations during the reaction...
Beryllium and magnesium
These are just like the reactions with dilute hydrochloricacid, and you have probably been familiar with the reactionbetweenmagnesium and dilute sulphuric acid almost since you started doing chemistry. Bubbles of hydrogen are formed, together with colourless solutions...
and not precipitated. E.g. reaction of sodium hydroxide with hydrochloricacid:
HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l)
Can also be written as:
H+(aq) + NaOH(aq) - > Na+(aq) + H2O(l)
H+ + Cl- + Na+ + OH- -> H2O(l) + Na+ + Cl-
The chloride and sodium ions are spectator ions. The net...
is about equally distributed between corpuscles and plasma. E.Q., 20 cc. of blood were mixed with I cc. of a solution containing 60 mg. of potassium oxalate making the concentration in the mixture 2.86 mg. per co.) and centrifuged. A sample of the plasma was precipitated with trichloroacetic acid...
temperature or making the temperature rise, affects the rate at which the reaction proceeds. To demonstrate how changing the temperature at which a reaction takes place affects the rate of the reaction, the reactionbetween calcium carbonate and 1.0 M hydrochloricacid will be observed at 5 various...
, though if powdered it will react much more rapidly. The reaction will occur faster with higher temperatures (see precautions). Magnesium also reacts exothermically with most acids, such as hydrochloricacid (HCl). As with aluminium, zinc and many other metals, the reaction with hydrochloricacid...
means more particles at the surface are exposed to collisions. How fast? On a graph showing the change in concentration of reactants or products, the gradient of the line tells you the reactionrate: steeper = faster, flat = stopped
The Rock Cycle The rocks that make up the Earth’s surface are in a...
Chemistry – 11
June 03, 2009
Kinetics Planning Lab
How does the molar concentration of hydrochloricacidaffect the rate of pressure in a gas releasing reaction?
The aim of this experiment is to record how the change in molar concentration of...
magnesium in smaller pieces The same volume of a more concentrated solution of hydrochloricacid A lower temperature A more accurate instrument to measure the time
What is the order of reaction with respect to NO 2 (g) and F2 (g) given the...
solids and in solution) including sodium chloride, magnesium sulfate, hexane, liquid paraffin, silicon(IV) oxide, copper sulfate, and sucrose (sugar) Investigate the effect of temperature, concentration and surface area of a solid on the rate of a reaction such as hydrochloricacid and marble chips...
(iii) ANY 3 of:  • same number of moles of each acid / same amount of replaceable hydrogen in each acid / same number of hydrogen ions which react in each acid; ALLOW: same concentration of each acid at the same volume • hydrochloricacid is a strong acid and...