When the redox reaction __ no2 - >__ no2 - + __ no3 - in basic solution is completely balanced, what is the coefficient of no2 and no2 - ?

List the ions in solution in the electrolysis of conc. sodium chloride

13. Write the following balanced reactions using cell notation. Use platinum as an inert electrode, if needed.

You bought a new fish aquarium with the dimensions of 55 cm x 100 cm x 80 cm. what volume of water should you put in it? Show your work

Which is the correct balanced equation for copper (ii) sulfate+aluminium➡️aluminium sulfate + solid copper?

A 20 gram piece of metal is added to a sample of 100 grams of water inside a calorimeter. If the metal is at a temperature of - 5° Celsius and the water is at 20° Celsius, which of the following best describes what will occur inside the calorimeter?

What is hybridisation

2. Seorang ibu perlu menyediakan satu hidangan kari daging dengan cepat untuk anaknya yang lapar. Langkah manakah yang berikut dapat membantu dia mencapai tujuan ini? (CL01, C2) A. Menggunakan periuk yang lebih besar B. Menambah banyak serbuk kari C.

Which of the following statements is not true? Question 4 options: When atoms have similar electronegativities, electrons are shared equally When electrons are shared equally, the molecule is called a nonpolar molecule.

Write the isotope symbol for two isotopes of the same element. What makes the isotopes different? How are they similar?

According to the periodic table, which element has an atomic number of 40? a. u b. ca c. zr d. np