30.0g of N_(2)CSH_(2)Cl is mixed with a 1.00L.solution of 0.100MN_(2)CSH. If 0.200 mol of NaOH is added, what will be the final pH? N_(2)CSHKb=6.1^ast 10^-6
What variable determines which "R" value you use in your calculation? moles (n) pressure (P) volume (V) temperature (T)
If E^circ (red) of a given half-cell is more negative than E^circ (red) for a standard hydrogen electrode, the half-cell will: A & tend to oxidize. B & tend to reduce. C & be at equilibrium. D & Not enough information is given.
Pb_(3)PO_(4) has a molar solublity of 3.0^ast 10^-23 What is the molar solubility in a solution of 0.0230MNa_(3)PO_(4) Answer
A container has 9.0 ml of liquid X with a density of 1200kg/m^3 How much liquid Y with a density of 1400kg/m^3 should be added to the flask so that the density of the liquid mixture is 1280kg/m^3 3.5 ml 6.0 ml 6.4 ml 8.7 ml
Question 26 (2 points) Which of the following will cause the rate of a reaction to increase? Decreasing reactant concentration Removing a catalyst Decreasing the temperature None of the above will increase reaction rate
Find the pH of a 0.0153 M solution of hypochlorous acid. (The value of K_(a) for hypochlorous acid is 2.9times 10^-8 Express your answer using two decimal places. pH=square
What does SDS stand for? Safety Data Sheets Standard Systems Solutions Saturated Diluted System Super Dynamic Suds
What is the name for BaCl_(2) A. Barium chlorine B. Monobarium dichloride C. Barium dichloride D. Barium chloride
What is the chemical formula for copper(II)phosphate? Cu_(2)PO_(4) CuPO_(4) Cu(PO_(4))_(3) Cu_(3)(PO_(4))_(2)
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
