Stoichiometry
... S-2 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1, Sr+2, Ba+2, Ca+2 CO3-2 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1 PO4-3 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1 OH- except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1, Sr+2, Ba+2, Ca+2 ...
... S-2 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1, Sr+2, Ba+2, Ca+2 CO3-2 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1 PO4-3 except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1 OH- except with NH4+, Li+1, Na+1, K+1, Rb+1, Cs+1, Sr+2, Ba+2, Ca+2 ...
Document
... All matter is composed of atoms which can not be created, subdivided or destroyed Atoms of an element are identical in their physical and chemical properties Atoms of different elements have different chemical and physical properties Atoms of different elements combine in whole number ratios to form ...
... All matter is composed of atoms which can not be created, subdivided or destroyed Atoms of an element are identical in their physical and chemical properties Atoms of different elements have different chemical and physical properties Atoms of different elements combine in whole number ratios to form ...
chemistry of living things
... • An atom is the smallest piece of an element • Atoms are made of subatomic particles – Protons have a positive charge – Neutrons have no charge – Electrons have a negative charge © 2004 Delmar Learning, a Division of Thomson Learning, Inc. ...
... • An atom is the smallest piece of an element • Atoms are made of subatomic particles – Protons have a positive charge – Neutrons have no charge – Electrons have a negative charge © 2004 Delmar Learning, a Division of Thomson Learning, Inc. ...
Step 2
... 2) However, if temperature was INCREASED the rate of reaction in both directions would ________ causing the ammonia to form faster 3) If pressure was INCREASED the amount of ammonia formed would INCREASE because there are less molecules on the right hand side of the equation ...
... 2) However, if temperature was INCREASED the rate of reaction in both directions would ________ causing the ammonia to form faster 3) If pressure was INCREASED the amount of ammonia formed would INCREASE because there are less molecules on the right hand side of the equation ...
Step 2 - The Grange School Blogs
... 2) However, if temperature was INCREASED the rate of reaction in both directions would ________ causing the ammonia to form faster 3) If pressure was INCREASED the amount of ammonia formed would INCREASE because there are less molecules on the right hand side of the equation ...
... 2) However, if temperature was INCREASED the rate of reaction in both directions would ________ causing the ammonia to form faster 3) If pressure was INCREASED the amount of ammonia formed would INCREASE because there are less molecules on the right hand side of the equation ...
Review Unit 5
... Periodic Table Prac=ce (that you can use on the test) Mass quesRons. Assume each element is chemically stable and List: a) Atomic mass (to nearest whole number), b) number of protons, c ...
... Periodic Table Prac=ce (that you can use on the test) Mass quesRons. Assume each element is chemically stable and List: a) Atomic mass (to nearest whole number), b) number of protons, c ...
IGCSE Revision Guide (Double Award) | PDF
... Recall the charge on common ions – both metals and non-‐metals – and compound ions e.g. SO42-‐, CO32-‐ , NH4+ , NO3-‐ . Deduce the charge of an ion from the electronic configuration of the ...
... Recall the charge on common ions – both metals and non-‐metals – and compound ions e.g. SO42-‐, CO32-‐ , NH4+ , NO3-‐ . Deduce the charge of an ion from the electronic configuration of the ...
CHEMICAL REACTIONS Chapter 4
... 2. Find the number of atoms for each element on the left side. Compare those against the number of the atoms of the same element on the right side. 3. Determine where to place coefficients in front of formulas so that the left side has the same number of atoms as the right side for EACH element in o ...
... 2. Find the number of atoms for each element on the left side. Compare those against the number of the atoms of the same element on the right side. 3. Determine where to place coefficients in front of formulas so that the left side has the same number of atoms as the right side for EACH element in o ...
CHEM%1212K% Final%Exam% Summer%2011% K
... C)%The%five%orbitals%remain%degenerate%but%have%a%higher%energy%than%before%% % ...
... C)%The%five%orbitals%remain%degenerate%but%have%a%higher%energy%than%before%% % ...
Phy 211: General Physics I
... • Homogeneous: uniform throughout, appears to be one thing – Pure substances – Solutions (single phase homogeneous mixtures) – Suspensions (multi-phase homogeneous mixtures) ...
... • Homogeneous: uniform throughout, appears to be one thing – Pure substances – Solutions (single phase homogeneous mixtures) – Suspensions (multi-phase homogeneous mixtures) ...
Electrochemistry
... reflect the net charge an atom would have if the electrons in the chemical bonds involving that atom were assigned to the more electronegative atoms. ...
... reflect the net charge an atom would have if the electrons in the chemical bonds involving that atom were assigned to the more electronegative atoms. ...
All chemical equations must be balanced, that is, they must have the
... coefficient of 2 in front of your hydrocarbon and proceed from there) There are times, however, that hydrocarbons do not combust completely; this is called incomplete combustion and the products are slightly different. You would always be told if the reaction was compete or incomplete, if nothing is ...
... coefficient of 2 in front of your hydrocarbon and proceed from there) There are times, however, that hydrocarbons do not combust completely; this is called incomplete combustion and the products are slightly different. You would always be told if the reaction was compete or incomplete, if nothing is ...
Dear Chemistry Student, I am excited that you have chosen to
... Dear Chemistry Student, I am excited that you have chosen to challenge yourself by taking on the rigors of AP Chemistry here at Cathedral Catholic High School. In order to prepare you for the expected performance outcomes of the course, every one will be expected to complete a Summer Independent Stu ...
... Dear Chemistry Student, I am excited that you have chosen to challenge yourself by taking on the rigors of AP Chemistry here at Cathedral Catholic High School. In order to prepare you for the expected performance outcomes of the course, every one will be expected to complete a Summer Independent Stu ...
Unit (1)
... (3) Write the scientific term: 1- The ability of the Earth to attract an object to its center. 2- An instrument used to change electric energy into magnetic energy. 3- The force that accompanies the massive amount of energy and it is stored in the nucleus. 4- Property of an object has to resist the ...
... (3) Write the scientific term: 1- The ability of the Earth to attract an object to its center. 2- An instrument used to change electric energy into magnetic energy. 3- The force that accompanies the massive amount of energy and it is stored in the nucleus. 4- Property of an object has to resist the ...
Chapter 2
... • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalent bond, or double bond, is the sharing of two pairs of valence electrons • Covalent bonds can form between atoms of ...
... • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalent bond, or double bond, is the sharing of two pairs of valence electrons • Covalent bonds can form between atoms of ...
Environmental Chemistry
... When complex organic compounds containing C, N, P and S from living organisms breaks down, there are two possible chemical pathways leading to two different sets of products ...
... When complex organic compounds containing C, N, P and S from living organisms breaks down, there are two possible chemical pathways leading to two different sets of products ...
makeup2
... freezes at -1.46°C. What is the molecular weight of x? (Kf = 1.86) (A) 84 x 1.86 x 1.46 = 222 g/mol (B) 84 x (1.86 / 1.46) = 107 g/mol (C) 84 x (1.46 / 1.86) = 66 g/mol (D) 1.46 x (1.86 / 84) = 0.032 g/mol 59. A 1.20 liter sample is drawn from a bottle labeled "86.0% by weight H2SO4, density 1.787 g ...
... freezes at -1.46°C. What is the molecular weight of x? (Kf = 1.86) (A) 84 x 1.86 x 1.46 = 222 g/mol (B) 84 x (1.86 / 1.46) = 107 g/mol (C) 84 x (1.46 / 1.86) = 66 g/mol (D) 1.46 x (1.86 / 84) = 0.032 g/mol 59. A 1.20 liter sample is drawn from a bottle labeled "86.0% by weight H2SO4, density 1.787 g ...
Acids, Bases, & Salts
... •A salt is an IONIC substance formed from a (+) metallic or polyatomic ion and a (-) ion (NOT hydroxide) ...
... •A salt is an IONIC substance formed from a (+) metallic or polyatomic ion and a (-) ion (NOT hydroxide) ...
Precipitation Reactions
... • Write ionic and net ionic equations for the following: – (a) Ca(OH)2(aq) + 2 HC2H3O2(aq) ...
... • Write ionic and net ionic equations for the following: – (a) Ca(OH)2(aq) + 2 HC2H3O2(aq) ...
File - Mr Weng`s IB Chemistry
... by selectively attaching molecules to specific surfaces. Self-assembly can also occur spontaneously in solution. • Possible methods of producing nanotubes are arc discharge, chemical vapour deposition (CVD) and high pressure carbon monoxide (HIPCO). • Arc discharge involves either vaporizing the sur ...
... by selectively attaching molecules to specific surfaces. Self-assembly can also occur spontaneously in solution. • Possible methods of producing nanotubes are arc discharge, chemical vapour deposition (CVD) and high pressure carbon monoxide (HIPCO). • Arc discharge involves either vaporizing the sur ...