What is the resistance of R1? 10,000 Ohms 25,000 Ohms 30,000 Ohms 45,000 Ohms

An unknown compound has the following chemical formula: where \( x \) stands for a whole number. Measurements also show that a certain sample of the unknown compound contains 8.7 mol of nitrogen and 13.2 mol of oxygen. Write the complete chemical formula for the unknown compound.

11. The mass of the Earth is \( \frac{1}{95} \) of the mass of the planet Saturn. The mass of the Earth is \( 5.97 \times 10^{24} \) kilograms. Calculate the mass of the planet Saturn, giving your answer in standard form, correct to 2 significant figures.

Divide using long division. \( \frac{x^{3}-5 x^{2}-7 x+35}{x^{2}-7} \)

6. Мотоцикпші жолдың \( 1 / 4 \) бөлігін 2 сағ 50 минутта журіп өтсе, толық жолды журіп өтуге қанша сағат жұмсайды? (A) 10 сағ 20 мин (B) 10 сағ 40 мин (C) 11 сағ 20 мин (D) 11 сағ 40 мин

1. Mendeley periodic lable was arthanged in order of their A atomic numbers. B molecular shapes and orbitals: C inceasing refative atomic mass.