8. A sample of chloroform is found to contain 24.0 g of carbon, 212.8 g of chlorine, and 2.02 g of hydrogen. If a second sample of chloroform is found to contain 60.0 g of carbon, what is the total mass of chloroform in the second sample?

The structures located inside of a cell are called

Which family of elements contains a full outer shell of electrons?

For each pair, predict which molecule has the greater molar entropy under the same conditions (assume gaseous species). c o 2, carbon dioxide h 2 o, waterc o, carbon monoxide c o 2, carbon dioxide

Give examples of particulate matter.

Can one molecule of salt be separated into a sodium atom and a chlorine atom by cutting the molecule in half? Why or why not?

Which of the following polyatomic ions will form an ionic compound with two sodium ions? CO32- HCO31- NO21- NO31-

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?