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pashok25 [27]
3 years ago
12

Howyiong did Newton live?

Chemistry
2 answers:
xxTIMURxx [149]3 years ago
6 0

Answer:4 January 1643 [O.S. 25 December 1642] Woolsthorpe-by-Colsterworth, Lincolnshire, England

Died 31 March 1727 (aged 84) [O.S. 20 March 1726] Kensington, Middlesex, Great Britain

Explanation:

Crank3 years ago
3 0
84 years (1643-1727)
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Please help thank you (15 points)
dsp73

Answer:

C.

Explanation:

The arrows represent the Earth spinning on its own axis in this picture.

4 0
3 years ago
The reactant concentration in a first-order reaction was 8.10×10−2 M M after 15.0 s s and 1.80×10−3 M M after 90.0 s s . What is
kipiarov [429]

Answer:

The answer to the question is

The rate constant for the reaction is 1.056×10⁻³ M/s

Explanation:

To solve the question, e note that

For a zero order reaction, the rate law is given by

[A] = -k×t + [A]₀

This can be represented by the linear equation y = mx + c

Such that y = [A], m which is the gradient is = -k, and the intercept c = [A]₀

Therefore the rate constant k which is the gradient is given by

Gradient = \frac{[A]_{2} - [A]_{1}  }{t_{2} - t_{1}  }  where [A]₁ = 8.10×10⁻² M and [A]₂ = 1.80×10⁻³ M

= \frac{1.80*10^{-3} M- 8.10*10^{-2} M}{90 s - 15 s} = -0.001056 M/s = -1.056×10⁻³ M/s

Threfore k = 1.056×10⁻³ M/s

3 0
3 years ago
Which of the following correctly describes voltage difference?
7nadin3 [17]
Voltage difference is the push that causes charges to flow from high to low areas.
7 0
3 years ago
Which of the following is not an example of a NATURAL polymer?
kondaur [170]
Sugar is not a polymer
5 0
3 years ago
Cl2 and N2 react according to the following equation 3Cl2(g) + N2(g) rightarrow 2NCl3(g) If 4 L of a stoichiometric mixture of c
melamori03 [73]

Answer:

Volume of NCl3 is 3L

Explanation:

Avogadro states: All gases at the same volume under temperature and pressure constant have the same number of moles.

The chemical equation is:

3Cl2(g) + N2(g) → 2NCl3(g)

Where 3 moles of chlorine reacts with 1 mole of nitrogen to produce 2 moles of NCl3.

But using Avogadros law we can say:

3L of chlorine and 1L of nitrogen produce 2L of Nitrogen trichloride.

3L of chlorine and 1L of nitrogen: 4L (The stoichiometric mixture)

That means, volume of NCl3 produced is 3L

8 0
3 years ago
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