Determine the mass fraction of phosphoric acid in the solution obtained by dissolving 42.6 g of phosphorus (V) oxide in 200 g of water. The synthesis reaction of
An inductor of 30 MHz is connected to an alternating current with a frequency of 50 Hz. Determine the inductive reactance of the coil Initial data: L (inductance
The specific electrical resistance of copper is 0.017 μOhm * m. What is the electrical resistance of a copper wire with a cross-sectional area of 1 mm2 and
One of the characteristic features of France is the high level of agricultural development. The territories of France given over to agriculture have a relatively small area. Therefore,
The bisector of angle A and angle D of parallelogram ABCD intersect at a point belonging to BC, perimeter ABCD is 46cm. Find the sides of a parallelogram.