What is the main result of respiration?

Which is the best conductor? Liquid solid or gas?

A sample of solid Y (OH) 3 was stirred in water at a certain temperature until the solution contained as much dissolved Y (OH) 3 as it could hold. A 550-mL sample of this solution was withdrawn and titrated with 7.74e-05 M HI. It required 50.

Why does ammonia act like a base? (select those that apply) It combines with H+ions. Ammonia releases OH-ions. It increases the OH-concentration. It dissociates easily.

For the reaction below, determine the standard free energy change, δg o. cu (s) + sn2 + (aq) → cu2 + (aq) + sn (s) e o cell = -0.48 v view available hint (s) for the reaction below, determine the standard free energy change, δg o.

Octane (C8H18) undergoes combustion according to the following thermochemical equation:2C8H18 (l) + 25O2 (g) → 16CO2 (g) + 18H2O (l) ΔH°rxn = - 1.0940 * 104 kJ/mol What is the standard enthalpy of formation of liquid octane? ΔH°f (CO2 (g)) = - 393.

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

3. Which word best fits with the Earth's day and night cycle a. Revolution b. Rotation C Orbit d. Axis