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In the reaction (SO₂ + 2H₂S → 3S + 2H₂O), 44.3g of SO₂ are mixed with 44.3g of H₂S. Calculate the maximum mass of sulfur that could be formed.

1. Check if the equation is balanced, luckily this one is! 2. Check if any unit conversions are needed. All masses are in grams, so no problem there. 3. Using (moles = mass ÷ Mr), calculate: the no. of moles...
KV
Answered by Kundai V. Chemistry tutor
4205 Views

Solve: x^2-x-6 using factorisation.

To tackle this question we start by thinking about how many brackets will we need to factorise this equation. As there are three parts to the equation it is most likely we are looking for two brackets. Knowi...
Answered by Maths tutor
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What is the difference between distance and displacement?

Let us have an object that starts at an origin point O and ends at some finishing point F. Distance is the total length of the path taken by the object between O and F, this is also known from our everyday l...
GM
Answered by Greg M. Physics tutor
2194 Views

Solve 5x^2 + 6x + 1 = 0

5x 2 + 2x + 1 = 0, x = -0.2 or -1
MB
Answered by Miles B. Maths tutor
3884 Views

Detail some of the physiological responses that occur to increase body temperature (6)

Blood vessels near the surface of the skin constrict to prevent heat loss to the environment and maintain blood flow around the central organs. This is called vasoconstriction. Also, skeletal muscles contrac...
EF
Answered by Emily F. Biology tutor
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