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Peptides, small parts of proteins, contain nitrogen and sulfur atoms...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected Standard Enthalpies of Formation at 25° C (298K) AH (kJ/mol) (kJ/mol Formula AH 0 Silver 92.3 Agis) AgC(3) 0 1270 218 Formula AH (kJ/mol Formula Calcium Ca(s) CI (9) Ca(s) 635.1 HC (G) Caco (s)-1206.9 Hydrogen Hig) Carbon C(graphite) 0 H (9) C(diamond) 1.9 Nitrogen COL) -1105 N19) CO(g) -393.5 NH,(g CH_(9) 74.9 NO(9) CH,OHI) -238.6 Oxygen HỎNG) 133 O.) CS.) 87.9 O (9)...
Can I get help with 6 and 7 please!!! 1 as well if it's possible please....
Can I get help with 6 and 7 please!!!
1 as well if it's possible please.
- ZOOM + 1. A 20.0-gram piece of aluminum at 0.0°C is dropped into a calorimeter containing some hot water. The temperature of the water drops from 90.0°C to 75.0°C. What is the mass of water in the calorimeter? 2. When 13.0 grams of solid NaOH dissolves in 400.0 grams of water in a coffee-cup calorimeter, the temperature of the water rises from 22.2°C...
I need help with 8 & 9 please. - ZOOM + 1. A 20.0-gram piece of...
I need help with 8 & 9 please.
- ZOOM + 1. A 20.0-gram piece of aluminum at 0.0°C is dropped into a calorimeter containing some hot water. The temperature of the water drops from 90.0°C to 75.0°C. What is the mass of water in the calorimeter? 2. When 13.0 grams of solid NaOH dissolves in 400.0 grams of water in a coffee-cup calorimeter, the temperature of the water rises from 22.2°C to 30.3°C. What is q? What is AHxn...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5 kJ S(s) + O2(g) → SO2(9) AH = -297 kJ Cu2S(s) + 202(g) → 2CụO(s) + SO2(g) AH° = -527.5 kJ calculate the standard enthalpy of formation (in kilojoules per mole) of Cuo(s). AH°(Cuo(s)) - kJ/mol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work Review Problem 6.087 Given the...
please help me type my introduction for my lab report. thank you!! INTRODUCTION In this section,...
please help me type my
introduction for my lab report. thank you!!
INTRODUCTION In this section, you will introduce the experiment by explaining generally what you did and why you did it. This section usually starts with an examination of the literature through a library search to inform the reader about work already done on this topic. If you have never done a bibliographic database search for scientific journal articles, then you are not yet a biological sciences major (note:...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
if you can't answer all ,please don't answer 1) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
which elements have a partially filled p sub level in in their electron configurations please help with these q...
which elements have a partially filled p sub level in in their
electron configurations
please help with these questions from the pictures. Thanks !
MODE ctaionont 16. In which of the following bonds does sulfur have a partial negative charge (8-)? oecies E) S-C D) Si-S C) S-CI A) O-S B) F-S 17. Arrange the following bonds in order of increasing polarity: O-H, C-H, F-H, H-H A) O-H<C-H < F-H < H-H B) C-H<O-H < F-H< H-H C) H-H <C-H...
Not yet answered Graded out of 1.00 Flag question Question text In the process of photosynthesis,...
Not yet answered Graded out of 1.00 Flag question Question text In the process of photosynthesis, water and carbon dioxide are produced. Select one: True False Question 2 Not yet answered Graded out of 1.00 Flag question Question text In the carbon cycle, combustion produces atmospheric oxygen. Select one: True False Question 3 Not yet answered Graded out of 1.00 Flag question Question text In a balanced chemical equation, the number of each type of atom in the reactants must...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
6-8 Using the table below, calculate the AH rxn for each of the following equations. Selected Standard Enthalpies of Formation at 25° C (298K) AH (kJ/mol) (kJ/mol Formula AH 0 Silver 92.3 Agis) AgC(3) 0 1270 218 Formula AH (kJ/mol Formula Calcium Ca(s) CI (9) Ca(s) 635.1 HC (G) Caco (s)-1206.9 Hydrogen Hig) Carbon C(graphite) 0 H (9) C(diamond) 1.9 Nitrogen COL) -1105 N19) CO(g) -393.5 NH,(g CH_(9) 74.9 NO(9) CH,OHI) -238.6 Oxygen HỎNG) 133 O.) CS.) 87.9 O (9)...
Can I get help with 6 and 7 please!!!
1 as well if it's possible please.
- ZOOM + 1. A 20.0-gram piece of aluminum at 0.0°C is dropped into a calorimeter containing some hot water. The temperature of the water drops from 90.0°C to 75.0°C. What is the mass of water in the calorimeter? 2. When 13.0 grams of solid NaOH dissolves in 400.0 grams of water in a coffee-cup calorimeter, the temperature of the water rises from 22.2°C...
I need help with 8 & 9 please.
- ZOOM + 1. A 20.0-gram piece of aluminum at 0.0°C is dropped into a calorimeter containing some hot water. The temperature of the water drops from 90.0°C to 75.0°C. What is the mass of water in the calorimeter? 2. When 13.0 grams of solid NaOH dissolves in 400.0 grams of water in a coffee-cup calorimeter, the temperature of the water rises from 22.2°C to 30.3°C. What is q? What is AHxn...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5 kJ S(s) + O2(g) → SO2(9) AH = -297 kJ Cu2S(s) + 202(g) → 2CụO(s) + SO2(g) AH° = -527.5 kJ calculate the standard enthalpy of formation (in kilojoules per mole) of Cuo(s). AH°(Cuo(s)) - kJ/mol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work Review Problem 6.087 Given the...
please help me type my
introduction for my lab report. thank you!!
INTRODUCTION In this section, you will introduce the experiment by explaining generally what you did and why you did it. This section usually starts with an examination of the literature through a library search to inform the reader about work already done on this topic. If you have never done a bibliographic database search for scientific journal articles, then you are not yet a biological sciences major (note:...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
which elements have a partially filled p sub level in in their
electron configurations
please help with these questions from the pictures. Thanks !
MODE ctaionont 16. In which of the following bonds does sulfur have a partial negative charge (8-)? oecies E) S-C D) Si-S C) S-CI A) O-S B) F-S 17. Arrange the following bonds in order of increasing polarity: O-H, C-H, F-H, H-H A) O-H<C-H < F-H < H-H B) C-H<O-H < F-H< H-H C) H-H <C-H...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
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