Câu 1: Trong phân tử este (X) no, đơn chức, mạch hở có thành phần oxi chiếm 36,36 % khối lượng. Số đồng phân bố

tạo của X là

A. 4.

B. 5.

C. 2.

D. 3.

What is the purpose of a unit conversion?

What role does the reactivity of the reactants play in determining the rate of a chemical reaction?

How does the use of synthetic oil impact the natural resource from which they are derived?

In the compound MgI2, how many electrons are transferred? 1 2 3 4

Which of the following has more energy? a. an ice cube. b. a glass of water in the fridge. c. A glass of water that has been sitting in the sun d. a glass of cold water from the faucet

What gas was used as a deadly posiosn in world war 1?

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

what noble gas electron configuration is achieved by the bromine atoms in a molecule of BR2, a diatomic element?

What are facts on osmosis?

If a map of temperature displayed stripes parallel to the equator with equal temperatures at equivalent distances north and south of the equator, it would mean that only blank affected temperature.