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“Transition” metals

“Transition” metals

“Transition” metals. 过渡 金属的特性. 变价性 配合物 颜色 磁性 From highly reactive metals of the s block to the much less reactive metals of Group 12 and the p block . Trends in Physical Properties. All the d -block elements are metals . Most, good electrical conductors .

By morey
(674 views)

Double Replacement 1. Hydrogen sulfide is bubbled through a solution of silver nitrate.

Double Replacement 1. Hydrogen sulfide is bubbled through a solution of silver nitrate.

Double Replacement 1. Hydrogen sulfide is bubbled through a solution of silver nitrate. H 2 S(g) + 2 AgNO 3 (aq)  2 HNO 3 (aq) + Ag 2 S(s) H 2 S + 2 Ag + + 2 NO 3 -  2 H + + 2 NO 3 - + Ag 2 S H 2 S + 2 Ag +  2 H + + Ag 2 S.

By raffaello
(2730 views)

Acids and Bases

Acids and Bases

Acids and Bases. Properties of Acids. An acid is any substance that releases hydrogen ions, H + , into water. Blue litmus paper turns red in the presence of hydrogen ions. Blue litmus is used to test for acids. Acids have a sour taste; lemons, limes, and vinegar are acidic.

By chuck
(192 views)

IONIC COMPOUNDS

IONIC COMPOUNDS

K + (aq) + MnO 4 - (aq). IONIC COMPOUNDS. Many reactions involve ionic compounds, especially reactions in water — aqueous solutions. KMnO 4 in water. An Ionic Compound, CuCl 2 , in Water. CCR, page 149. Aqueous Solutions. How do we know ions are present in aqueous solutions?

By phuong
(200 views)

Chapter 18 Chemistry of the Environment

Chapter 18 Chemistry of the Environment

Chapter 18 Chemistry of the Environment. Introduction. Human activities impact our environment. Economic growth depends of chemical processes e.g. clean water, energy usage, chemical synthesis, etc. Earth Summit – Brazil 1992 1997 – Kyoto meeting 2001 – Bonn – Signing of “Kyoto Protocols”

By paul2
(177 views)

Cookies and Chemistry…Huh!?!?

Cookies and Chemistry…Huh!?!?

Cookies and Chemistry…Huh!?!?. Just like chocolate chip cookies have recipes, chemists have recipes as well Instead of calling them recipes, we call them reaction equations Furthermore, instead of using cups and teaspoons, we use moles

By robbin
(447 views)

What does a fertiliser contain to make plants grow? How do they get into the plant? Suggest the properties a fertilis

What does a fertiliser contain to make plants grow? How do they get into the plant? Suggest the properties a fertilis

What does a fertiliser contain to make plants grow? How do they get into the plant? Suggest the properties a fertiliser must have. Plants absorb minerals through their roots. Soil particles. N. K. P. K. rock sulphuric super phosphate phosphate acid

By orsen
(99 views)

Chapter 8

Chapter 8

Chapter 8. Chemical Reactions by Christopher Hamaker. Chemical and Physical Changes. In a physical change , the chemical composition of the substance remains constant. Examples of physical changes are the melting of ice or the boiling of water.

By baakir
(135 views)

Chapter 9 Acids and Bases

Chapter 9 Acids and Bases

Chapter 9 Acids and Bases. Acids and Bases. Learning Check AB1. Describe the solution in each of the following as: 1) acid 2) base or 3)neutral. A. ___soda B. ___soap C. ___coffee D. ___ wine E. ___ water F. ___ grapefruit. Solution AB1.

By chenoa
(89 views)

Examine Chemical Formula

Examine Chemical Formula

Summary: “Given Chemical Formula, What is the Name?”. Examine Chemical Formula. Nonmetal + Nonmetal?. Metal + Nonmetal?. Formula begins with H and ends with “(aq)”?. Molecular (Covalent) Naming. Name according to ionic rules…. Acid Naming. Is it a common chemical (i.e. NH 3 , H 2 O)?.

By sabin
(71 views)

SCH4U Unit #2: EQUILIBRIUM

SCH4U Unit #2: EQUILIBRIUM

SCH4U Unit #2: EQUILIBRIUM . Ms. Cornacchione Wed Mar 19 th 2014. AGENDA. Test 3 – Equilibrium Part 1 Continue with Acid-Base Equilibrium Notes and Examples. Unit #2: Acid/Base Equilibrium TOPICS. Bronsted Lowry Acids & Bases (8.1) Strong and Weak Acids & Bases (8.2)

By eavan
(162 views)

07 – Precipitation Reactions

07 – Precipitation Reactions

Chemistry 30 – Unit 2 – Solubility – Ch. 16 in Text. 07 – Precipitation Reactions. Precipitate Reactions. A precipitate is a solid that forms when two aqueous solutions are mixed together. They result because the compound formed is insoluble in water .

By haines
(159 views)

How many atoms of C are in an aspirin (C 9 H 8 O 4 ) pill that contains 0.2000 grams of aspirin?

How many atoms of C are in an aspirin (C 9 H 8 O 4 ) pill that contains 0.2000 grams of aspirin?

How many atoms of C are in an aspirin (C 9 H 8 O 4 ) pill that contains 0.2000 grams of aspirin?. mole-to-mole ratios. Silver nitrate is reacted with barium chloride:. How many grams of barium chloride are needed to make 2.24 grams of solid?. mole-to-mole ratios.

By keanu
(138 views)

Descriptive Abbreviations

Descriptive Abbreviations

Descriptive Abbreviations. ( s ) Solid ( l ) Liquid ( g ) G as ( aq ) Aqueous dissolved in water How do we know the states of matter in a reaction? Word problem tells us States of matter from the periodic table Common knowledge. Episode 605. Determining State at Room Temperature.

By wes
(270 views)

Polyprotic Acids & Bases

Polyprotic Acids & Bases

Polyprotic Acids & Bases. A polyprotic acid can donate more than one H + Carbonic acid: H 2 CO 3 (aq); dissolved CO 2 in water Sulfuric acid: H 2 SO 4 (aq) Phosphoric acid: H 3 PO 4 (aq) A polyprotic base: can accept more than one proton Carbonate ion: CO 3 2- (aq)

By vaughan
(210 views)

Organization of matter

Organization of matter

Organization of matter. Mixtures. Pure substances. Homogenous. Solutions Alloys. Heterogeneous. Compounds. Elements. Suspensions Colloids. Covalent bonds Share electrons Metalloids-none-metal ( M-NM) H-NM-O True bond. Transfer of electrons M-NM H and NM Forms ions. Acids.

By bobby
(94 views)

Acids and Bases

Acids and Bases

Acids and Bases. Acids. Have a sour taste. Vinegar owes its taste to acetic acid. Citrus fruits contain citric acid. React with certain metals to produce hydrogen gas. React with carbonates and bicarbonates to produce carbon dioxide gas. Bases. Have a bitter taste.

By dexter
(68 views)

Single Replacement

Single Replacement

Single Replacement. One element replaces a similar element in a compound A + BX → AX + B A replaces B if A and B are similar Metals can replace less reactive metals Al + Fe(NO 3 ) → Al( NO 3 ) + Fe. Metals can replace H Mg + HCl → MgCl 2 + H 2

By lawson
(94 views)


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