1. jaki jest wzór chemiczny tlenku azotu (V)

W pewnym tlenku siarki zawartość procentowa siarki wynosi 50%. Oblicz stosunek masowy siarki do tlenu w tym związku chemicznym i napisz wzór sumaryczny tego tlenku

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The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.

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