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A sample of nitrogen gas is heated to 100°C, at a pressure of 10kPa and volume of 0.2m^3. How many moles of gas are present?

In order to answer this question, the equation: PV=nRT must be used.P is pressure, V is volume, n is moles, R is the gas constant and T is temperature. Firstly the units in the question must be converted to ...
TB
Answered by Tara B. • Chemistry tutor
11947 Views

How do you conjugate the verb avoir in the conditional tense?

J'aurais, tu aurais, il/elle/on aurait, nous aurions, vous auriez, ils/elles auraient
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Answered by Charlotte C. • French tutor
3956 Views

Find values of x which satisfy the inequality: x^2-4x-2<10

We first apply a simple addition to make the inequality 0 on one side. We subtract 10, giving x^2-4x-12&lt;0. Now we factorise the equation in x, intuitively or using the quadratic formula: x=(-b+sqrt(b^2-4a...
RK
5014 Views

How to express needs or wishes in Spanish?

The easiest way to express needs or wishes is by using the infinitive form with some phrases. La manera más fácil de expresar nuestras necesidades y deseos es con el infinitivo, acompañado de algunas expresi...
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Answered by Amaia A. • Spanish tutor
3430 Views

Can you help me understand how to use the subjunctive in French?

There are some expressions such as &quot;bien que&quot; that always take the subjunctive which I'm sure you've heard about (if not then I can direct you to some useful lists, because they're really important...
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Answered by Sebastian D. • French tutor
2746 Views