Q: what is the mass percent of niacin in a multivitamin if a pill with a mass of 2.50 grams contains…
A:
Q: At death, a nobleman in ancient Egypt was mummified and his body contained 1.4 x 10-3 g of…
A:
Q: 14. In the equation 22890Th 22891Pa + X which particle is represented by X? Accessibility. Good to…
A:
Q: (1) Either 2 + 2 is 0 or gold has atomic number 79; (2) 2 + 2 is not 0; thus, (3) gold has atomic…
A: The Good argument3)Gold has atomic number 79which is good argument1) & (2) are not good…
Q: laanpi he cheinl centrn u RoS %23 H.
A:
Q: Name of the Symbol A Numier e Number of Element Neutrons Proèons Becicns 第Zr Ge 器Br N
A: Complete solution is given below in next step
Q: Od. 1.03 x 10-27 QUESTION 3 The number of neutrons, protons, and electrons in A7A9 are 108 47 Oa. p…
A: The number of protons present in the nucleus is termed as the atomic number. The sum of the number…
Q: Complete and balance the following equations. Click in the answer box to open the symbol palette. 7.…
A: Applying concept of nuclear chemistry.
Q: Archeologists discover a gold crown in an ancient tomb. When they place the crown in a tub of water…
A: In the question , Following datas given - (1) Volume of gold crown, displaced by it on placing it in…
Q: 9. +ie + -> +1е 10. Си + н 63 29 64 30 0Zп + 11. н + H + in ->
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Identify the unknown particles (AZX) in the equations below. Show your work and mention the names of…
A:
Q: - Part C What is the symbol for the isotope of 55 Fe that possesses 31 neutrons? Express your answer…
A: Isotopes are defined as same element having same number of proton but different number of neutron in…
Q: Complete the following shorthand notations: ? (р, а) Li 31P (a, ?) ES 15 242 66Cm (α, n) ? 25Mg…
A:
Q: 47. List the name and the atomic number of each element.(a) Mn(b) Ag(c) Au(d) Pb(e) S
A: The atomic number is the number of protons found in the nucleus of the atom of that element. Every…
Q: 8 (a) Define in words the following: (i) Ka (ii) pKa
A: Given, (i) Ka and (ii) pKa
Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A SA 6A 7A…
A: First box shows a electronic configuration of K(potassium). Second box shows the electronic…
Q: (27)Al (p,y) (28)Si (40)Ar (n,B') (41)K (14)N (a,p) (17)o (200)Hg (p,a) (6)Li (n,a)
A: Nuclear reaction:
Q: 00 Не Enter the percent volume of He in the visualization. MM[He]=4.003 g/mol, MM[N2]=28.01 g/mol.
A: In 1 mol of helium there is 6.022×1022 atoms of helium. So, for the given system the number of moles…
Q: A sample of Fe_20_3 (MW= 159.69 g/mol) has a mass of 0.277 g. What is the mass of Fe in the sample?…
A: Molar mass of compound is individual sum of atomic mass of each atoms present in compound
Q: 6. Explain the hazard identification system briefly.
A: Given question is asking about the hazard identification system, widely used in united states. In…
Q: 1a. EtBOMe THF, -78 °C 1b. NABH4 3. DIBAL-H (1.2 eq) toluene, -78 °C ОН О .CO2tBu F1 F2 2. TESCI…
A: In above reaction, NaBH4 is reducing Agent. BiBAL H also helps to reduces -CO group.
Q: Sample
A: Given data set: Initial mass of the radioactive metal = 1024 grams Final mass of the radioactive…
Q: Skeich. diprem in diatm S-Poocess barth faom 14° Ce Specfy tbe of earch bebacesys (lies neutron > Eo…
A:
Q: number) in the second box, and the element, with charge if necessary, in the third box.) (a)73Ga →…
A: The emission of the decay particles from an unstable atomic nucleus just to make it a stable atom is…
Q: ! 1 ső: F1 6 Q 5 ОН 3 CH2OH OH 2 ** F2 W #3 ОН 1 2 ОН 80 F3 E $ 4 a F4 R 07 8⁰ % 5 16 T A 6 MacBook…
A: ->An anomeric carbon can be identified as the the carbon bonded as the carbon bonded to the ring…
Q: What do each of the numbers and letters mean in the following symbol? 235 U 92
A: U is the symbol used for the element called uranium(a radioactive element). The number 236 at the…
Q: 11. At death, a nobleman in ancient Egypt was mummified and his body contained 1.4 x 10 3 g of…
A:
Q: E\CaCu) 0.337V, E Zn Za) -0.763V) a. Cu/CUSO (0.01M) CUSO, (0.1M)/Ce- b. Zn/ZnSO, (0.1M) CUSO…
A: a) Ecell = Eo - RTnF log[Products][Reactants Oxidation half reaction Cu ----->…
Q: 25 1dentify which is E or Z 25 deity which ins Er CH,"
A: As per the CIP rules, if high priority groups are on the same side of the C=C then it is named as Z…
Q: A) S B) Sn C) Sb D) As
A: As we know,in the periodic table, same group elements show similar properties
Q: PART 1 Prelab Question Vcylinder = trh (h= height of cylinder) The density of silver (Ag) at 20°C is…
A: Volume of cylinder = πr2h Where r = radius of cylinder h= height of cylinder Mass =…
Q: The kinetic energy of subatomic particle is 5.85 x 10-25 J and its mass is 5.1 x 10-31 Kg. What…
A:
Q: 241 a. 05Am + He → 23n + b. 226RA 88Ra → He + c. - + dn Ba + 564 36 Kr + 3n 235x 129p 94
A: Since you have posted question with multiple subparts as per guidelines we can answer only three per…
Q: 3. FeSO, + K,Cr,0, + H,SO, → K,SO, + Cr.(So.), + Fe,(SO.); + H,0 4. MNSO, + PbO, + H,SO, → HMNO, +…
A: Oxidation number or oxidation state basically indicate the electrons lost or gained by atom. For…
Q: 1A BA H2A 3A 4A SA 6A 7A He Li Be BCN OF Ne Na Mg 38 48 58 68 7888 18 28 Al Si P S Cl Ar K Ca Sc Ti…
A:
Q: What is the relationship of hydrogen's mass to hindenburg tragedy?
A: The Hindenburg tragedy is the result of combustion of hydrogen. Water (vapor) is obtained as…
Q: = tr²l (l= length of wire) The density of copper at 20°C is 0.896 kg/dL at 20°C. A copper wire has a…
A: Given that, The diameter of wire - 0.110 mm = 1.1 x 10-4 m; radius - 5.5 x 10-5 m.The atomic mass…
Q: length of 0.286 nm. What is its g
A: From the density formula, d = Z×MM/NA×a3 Where, d = density MM = molar mass NA = Avogadro's…
Q: o 2}H + 2 }n → He o ŞLi + n+He + {T 41 p + 3D +He 1, 4. 1, o D + {T → He + o 37 1, He + T → He + 20…
A: Since in any reaction, 1) total mass number of the reactants = total mass number of the products 2)…
Q: 14. Which of the following cquations represents the law of conservation of mass? A. H20- H2 + O2 B.…
A: Law of conservation of mass states that during any physical or chemical change, the total mass of…
Q: What is X? 1 poim 235 U + 1n n > 137 Te + X + 2 'n O 96-Rb 92-Kr 90-Sr O 97-Zr
A: Given 1) We know about the IUPAC naming of alkene and alkyne and selection of parent chain 2) we…
Q: What percentage of 162X (t1/2 = 401.9 h) would remain after 1,417.3 hours. Use the formula with…
A: The relation between rate constant and half life time for first order reaction is shown below: k…
Q: खोक्कांकंर मीमट MAIS रOOMम ०f 7 जा्षुळ च्छाजीक प्मलैकव प्रेवा ललवडड नो 97.288 उhrad connवाकs उ. 8 7…
A:
Q: Q.27. Find number of aluminum (Al) atoms in a peace of pure (Al) block with dimensions equal to 2.0…
A: The number of atoms present in the sample of an element is defined as the product of number of moles…
Q: A neutron star has a density of 5.0 x 1017 kg/m3. How many ?μL of space would 5.0x106 metric tons…
A:
Q: 70: Find the masses of P O, and P,O,0 10
A:
Q: Earth’s surface area is 5.10x10^8km², and its crust has amean thickness of 35 km and mean density…
A: Determine the volume of crust and total mass of crust of earth in metric tons using its density.…
Step by step
Solved in 2 steps with 2 images
- For the reaction of NO, to form NO and O2, which reaction vessel (all at different temperatures) would yield the smallest equilibrium constant? 2NO2(g) = 2NO(g) + O2(g) Datasheet and Periodic Table A8-12 3: 7 T. H. K V All IN ofChrome File Edit View History Bookmarks Profiles email draft - Google Docs sc ● Consider this reaction: 1 A ALEKS- Lara Althawadi - Lear X ☆ C www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInUUz9jGCwQIcISUzhOQhHxz_5bM9yeRdQ... 17.4 Solubility and.... 5.3 Enthalpies of... 18.5 Gibbs Free E...Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... Math 115 W-S Fall... 2H, PO₂ (aq) → P₂O, (aq) + 3H₂O (aq) - At a certain temperature it obeys this rate law. -1 rate = (82. M¹-s¹) [H₂PO4] Q A 18.3 Gibbs Free E... O KINETICS AND EQUILIBRIUM Using first- and second-order integrated rate laws Os Explanation F N 18.210 @ x Nancy Foldi - Department of PX Suppose a vessel contains H₂PO4 at a concentration of 0.290M. Calculate how long it takes for the concentration of H₂PO4 to decrease by 92.%. You may assume no other reaction is important. Round your answer to 2 significant digits. 2 W Check S # X :m 3 26 9.f E Tab D 14 $ 4 Window Help C X R Ś F JO…what is the concentration of the unknown sample using serial diluitions: 0.05M 1.7472nm, 0.025M 0.8569nm, 0.0125M 0.4167nm, 0.00625M 0.1958nm the epsilon value is 0.0101 and l is 1 cm
- the a 167436) b.-157436) a 3731.25) d 373125)Bb Tangipahoa P A Classes O Thomas Willia x E THOMAS WILL O OnCourse Con x E The Spread of x A Assessment: C x G disseminate ir x b oncourseconnect.com/assessment/1651875/41774aa4-b498-clc9-30b9-e734c5204a10 O TPSS Bookmarks CHEMISTRY BENCHMARK TEST 01 CHEMISTRY I 12-3 (THOMAS WILLIAMS, ID: 12390719) 2 of 35 Each equation shows a radioactive isotope giving off some form of radiation, labeled X. Which equation suggests that an alpha particle is being emitted? yC – 4N + }X SU – Th + ;X Be + He ?C + ;x O Co + on - 9Co + X A 8 10 Ne 2 4 5 6 7 Save/Exit 1(129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…
- hrome File Edit View History Bookmarks People Tab Window Help 17% O Tue 9:35 PM A ALEKS - Esther Octave Learn X + A www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IBcn9hvCfbYq_fi3Zsn8H2oW_5PTMI0acVC-FOMLOK3cK7T6K1BWbc47sbYw. * Paused E Apps M Gmail YouTube Maps BC Broward College |. Sample Source An... O New Tab G What does Duckw.. E Untitled documen... O ELECTRONIC STRUCTURE OO Esther Calculating the wavelength of a spectral line from an energy.. -21 ". You can find the meaning of This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI prefix 'zepto' means 10 any SI prefix in the ALEKS Data tab.) 1400 - 1200 - -C dlo 1000 - 800 Ar energy (z) B 600 - -A 400. 200- Use this diagram to complete the table below. What is the energy of the electron in the ground state? What is the energy of the electron in the first excited state? O absorbed If the electron makes the transition shown by the red arrow, from C to A, will a photon be…( Question 18 of 41 What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpy of formation values can be found in this list of thermodynamic properties. AHan = kJ/mol ethane 人tv w Aa MacBook Air DII DD 80 888 * F9 F10 F11 F6 F7 F8 F3 F4 FS 24 & delete 8. 9. %3DWed Oct 6 9:13 PM + x 775017&OpenVellumHMAC=D3228f1c4b183c95cd9b7fe561b60380d#10001 Update E Reading List CHE 106 Fall 2021 Hi, Grace v Sign Out Help with Feedback 2 of 14 I Review I Constants I Periodic Table hile completing this Part A hemical equations: Zn(s)+HNO3(aq) → Zn(NO3)2(aq) + H2 (g) Express your answer as a chemical equation. Identify all of the phases in your answer. Keep the order of compounds as in the original equation. NA chemical reaction does not occur for this question. Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining tv 4. 6. MacBook Pro The * > +) G Search or type URL delete V 8. 7. 5. P. %3D ret
- Chem 2022 q 2Task nol8) arder 54-23/K0 mo Ander le3oo k during I hour 956 of A Consum under whicH T during |1 minute Thouk 0.95 CA,o IminutleOnCourse Connect Assessment: Chemistry x Copy of spread_of_islar x = The Spread of Islam -G x M Inbox (904) - aarojame A Classes boncourseconnect.com/assessment/1651879/5287e2a3-0d0b-e2c0-c15c-3e68a37149b4 D TPSS Bookmarks CHEMISTRY BENCHMARK TEST 01 CHEMISTRY I 12-7 (AARON JAMES, ID: 12390724) A student dissolved 15 grams of pure acetic acid (CH,COOH) in enough water to make 100. milliliters of solution. Given the atomic masses provided on the periodic table, what is the molarity (M) of the acetic acid solution? a 0.025 molar D0.40 molar © 2.5 molar O 4 molar A B B 1 2 4 5 6 7 8 9 10 3. O Save/Exit 4 sn TESS
