What is the cell potential of an electrochemical cell that has the half-reactions shown below? Ag^++e^-arrow Ag Fearrow Fe^3++3e^- Click for a reduction potential chart A. -0.44 B. 1.24 V C. 0.44V D. -1.24V

What are some examples of foods that need an emulsifier mayonnaise chocolate ice-cream oil water various salad dressings.

Part I: Unit Conversions.Show all work (known and unknown, and dimensional analysis - including units! Write your answers in the boxes provided. Unit Test: Dimensional Analysis and Mole Convers 1. Find the number of minutes in 25 years, assuming that 1year=365days K:25 years 2. The driving distance from Spokane to Seattle is 479,000 meters. Convert this distance to miles given 1m=100cm,1in=2.54cm,12in=1ft, and 1mi=5280ft square Part II: Mole Conversions . Show all work (known and unknown, and dimensional analysis - including units! Write your answers in the boxes provided. 3. A sample contains 9.2times 10^22 atoms of beryllium (Be)How many moles is this? square 4. The formula for Aluminum Carbonate is Al_(2)(CO_(3))_(3) What is the molar mass of aluminum carbonate? square

Question 6 Which of the following is NOT an acid-base conjugate pair? H_(2)O and OH^- H_(2)CO_(3) and HCO_(3)^- H_(2)S and OH^- NH_(4)^+ and NH_(3) none of the above 2 pts

Question 4 A neutralization reaction between an acid and sodium hydroxide formed water and the salt named sodium sulfate. What was the formula of the acid that was neutralized? HCI H_(2)SO_(4) Na_(2)SO_(4) H_(2)S none of the above 1 pts

Question 3 Which of the following is a weak base? ammonia sodium fluoride calcium hydroxide potassium hydroxide none of the above 1 pts

Select the negation of: All detergents are the same. All detergents are different. No detergents are the same. Some detergents are different. Some detergents are the same.

Who stated that matter is made up of atoms? Democritus John Dalton

A group of atoms that remain bonded together and behave as a single atom in a chemical reaction is known as a __ enzyme oxyorganic compound radical alcohol

What is the mass in grams of 4070 moles of KBr?

Hot Questions

When you balance the Separate Water simulation how many individual oxygen atoms do you need on the products side to complete the balanced equation? 1 2 3 4

Determine which type of property each statement describes by typing "physical or "chemical" in the blank. Hydrogen is a colorless tasteless, and odorless gas. $\square $ Hydrogen is very combustible in the presence of oxygen. $\square $ Hydrogen is very reactive with most elements. $\square $ Hydrogen is the least dense of all elements. $\square $

Which of the following is an empirical formula? $C_{3}H_{6}$ $C_{3}H_{8}$ CH $C_{2}H_{4}$

Which of the following has the most mass per mole? Oxygen Nitrogen Carbon Potassium

What is the electron configuration for oxygen, O? $1s^{2}2s^{2}2p^{3}$ $1s^{2}2s^{2}2p^{6}3s^{2}$ $1s^{2}2s^{2}2p^{4}$ $1s^{2}2s^{2}2p^{6}3s^{2}$

Gasoline, paints, thinners solvents, natural gas acetylene are all examples of potential: A. Toxic hazards. B. Flammable hazards. C. Combustible hazards. D. All of the above. E. None of the above.

Trans fats and partially hydrogenated oils are the same thing. False True

Is this compound ionic or covalent? $NO_{2}$ ionic covalent

(b) $H_{3}C-CH-CH_{2}-CH_{2}-CH_{3}\\ H_{2}C-CH_{3}$ 2-Ethylpentane Spell out the full name of the compound. The correct name is $\square $

Question 2 (Multiple Choice Worln 2 Points) (05.01 LC) Which of the following groups have seven valence electrons and are very reactive? Column 1 alkali metals Column 2 alkaline earth metals Column 17 halogens Column 18 noble gases