Which equation represents fermentation? 1. C_(2)H_(4)+H2Oarrow CH_(3)CH_(2)OH 2. C_(2)H_(4)+HClarrow CH_(3)CH_(2)Cl 3. C_(6)H_(12)O_(6)arrow 2CH_(3)CH_(2)OH+2CO_(2) 4. 2CH_(3)CHOarrow C_(3)H_(5)CHO+H_(2)O

2. Give a specific example of a solution and explain how to make it.

4x Which description best describes how mass spectroscopy is useful in the field of forensic toxicology? A can help develop pharmaceutical drugs B can help determine the concentration of toxic chemicals in the body C can help determine the adverse affects of a toxic chemical in the body D can help determine the possible methods of administration of a toxic chemical

20) An oxide ion, O^2- has the same electron configuration as an atom of which noble gas? A) argon B) helium C) krypton D) neon

A sample of a nitrogen oxide compound is found to contain 30.4% nitrogen and the rest of the compound is oxygen. What is its empirical formula? N_(30)O_(70) N_(3)O_(7) NO_(2) N_(2)O_(4)

What should the IUPAC name for a binary covalent compound lack? prefixes Roman numerals an -ide ending the name of a nonmetal

My any,dicks.com/D-Ignisian 9119028-100575 OEgaEBT Chemical Reactions Predicting the products of a gas-evolving double displacement reaction Predict the products of the following reaction. If no reaction will occur,use the NO REACTION button. Be sure your chemical equation is balanced! K_(2)SO_(3)(s)+HBr(aq)arrow square x

Question 5 (2 points) If your unknown is insoluble in water, and a subsequent positive Bromine Test is obtained, what conclusions do you draw regarding this unknown? Which of the following compounds could match your unknown? ethanol ethylamine Pentene Hexane

What is the mass of 1.8times 10^24 molecules of CO_(2) (1 mol CO_(2)=44.01g) (1molCO_(2)=6.02times 10^23 molecules) [?]gCO_(2)

Fe_(2)O_(3) reacted with excess CO during the reaction shown to produce 41.3 g CO_(2) What is the percent yield if 273 g of CO_(2) was the expected amount? Fe_(2)O_(3)+3COarrow 2Fe+3CO_(2) 66.1% 27.3% 14.0% 33.9%

Hot Questions

How many protons are in an atom of carbon with 7 neutrons? a) 6 b) 7 c) 12.01 d) 13 e) None of the above

How many electrons are in the element potassium with 20 neutrons? a) 19 b) 20 c) 39 d) 39.10 e) None of the above

An erlenmeyer flask has a calibration of 50 mL. To what value can you estimate a measured volume? the nearest 0.01 mL the nearest 1 mL the nearest 0.1 mL the nearest 10 mL

2. Can you determine conclusively that an unknown substance contains only magnetite by using only a magnet? Explain your answer. __

Before you go, which type of molecule would you choose to be the anode in a lithium battery? a) The metal with the most negative potential b) It does not matter since lithium's potential is so negative c) The metal with the most positive potential d) Another lithium compound

$2Fe_{2}O_{3}(s)+3C(s)\rightarrow 4Fe(s)+3CO_{2}(g)$ Calculate the mass of iron produced from the complete reaction of 64.0 grams of iron (III)oxide. 89.5 g Fe 22.48 Fe 11.2 g Fe 44.88 Fe 107 g Fe

QUESTION Q Which of the following is true concerning mass number? ANSWER Using mass number notation, we can identify the number of protons. electrons.and neutrons. Isotopes differ in their numbers of electrons. The mass number is equal to the number of protons. Thus, the mass number of Helium is 2. The mass of electrons contributes significantly to mass number. IDONT KNOWYET

Multiple Choice Question If phenol red is added to a solution with a pH of 9.0, it will appear __ pink-red yellow

What precipitate forms when mixing silver(I)nitrate and sodium chloride? silver(I) chloride sodium nitrate no precipitate forms

Which of these equations correctly expresses the self-ionization of water? $H_{2}O+H_{3}O^{+}\leftrightarrow H_{2}O+OH^{-}$ $H_{2}O+H_{2}O\leftrightarrow 2OH^{-}$ $H_{2}O+H_{2}O\leftrightarrow 2H_{3}O^{-}$ $H_{2}O+H_{2}O\leftrightarrow H_{3}O^{+}+OH^{-}$