How many grams of water are made from the reaction of 16.0 grams of oxygen gas? Given the reaction: 2H_(2)+O_(2)arrow 2H_(2)O 16 36 18 9 not enough information
Rough Study Guide for Quiz 3 1. Name ionic and covalent compounds 2. Find the molar mass of compounds 3. Where in a reaction are the reactants and products. 4. Significant figures 5. What are the Types of chemical reactions. 6. Be able to draw and identify free body diagrams. 7. Calculate net force. 8. Calculate forces on an incline 9. Newton's first law of motion 10. Use periodic table to find charge of elements. 11. Balance chemical equations 12. What is the difference between mass and weight? 13. Be able to calculate frictional force. 14. Use net force to find net acceleration of an object.
Thinking of the Fire Triangle: There are 5 elements required for a fire to ignite and burn. Select the correct answer. True False
Dissolvem -se 2 g de NaOH em água suficiente para ul litro de solução. A solucão resultante , d 25^circ C apresenta: Selecione uma opção: a pOH=pH b. 2,7 C pH=12,7 d. pH=1,3 e pOH=12,7
Compare and contrast the chemical structures of the four groups of biological molecules (the molecules of life).
The Collision Theory Model describes the following The effects of adding a catalyst Criteria necessary for a reaction to take place How instantaneous a reaction is The relationship between orientation and temperature of reactants
1. Calculate the pH values for the following solutions a) the acid solution with [H^+]=0.002M b) 0.01M HCl aqueous solution c) 0.01 M NaOH aqueous solution d) an aqueous solution with pOH=10.3
Calculate the percent composition of aspirin (C_(9)H_(8)O_(4))
What is the formula mass of aspirin (C_(9)H_(8)O_(4))
The pHofa fruit juice is 5.6.Find the hydronium ion concentration, [H_(3)O^+] of the juice. Uso the formula pH=-log[H_(3)O^+] The hydronium ion concentration [H_(3)O^+] is approximately square moles per liter. (Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to the nearest tenth as needed.)
Which of the following alcohols will be used in this lab? Butanol Propanol Ethanol Methanol
Acidic dyes work best in low pH environments. are used for staining negatively charged molecular structures. are negatively charged and work best at low pH. are lipid soluble. are negatively charged.
How many protons does carbon have? 40 39.09 6 12
Measurements taken with a spectrometer require a __ to eliminate background readings from components other than what is being measured in the sample. Select one: a. sample b. replicate c. treatment d. blank
11. [Periodic Table and Periodic Law] Which of the following elements has the greatest tendency to attract electrons in a chemical bond? A. Carbon B. Oxygen C. Fluorine D. Nitrogen
-Develop possible solutions - Brainstorming - think of as many solutions as possible of \( \mathrm{CO}_{2} \) wooden car
8. Every chlorine atom has: 7 electrons 17 neutrons a mass number of 35 an atomic number of 17
1. $6P_{4}O_{10}+H_{2}O$ $3H_{3}PO_{4}$
What is the maximum number of electrons that can occupy a given orbital if they have different spins? 4 2 1 3
How will we know how many electrons are in each ATOM? Type your answer here
