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020-012 x X Chemsto updates late werKs O Empower 2021 A educate.lindsay.k12.ca.us/iFrame aspx?iCtrl=STUDENT BASE HOME CONTROL Oy * Bookmarks DE IXL B Classes E Google Slides O Empower 2020 E E Google Docs Lindsay High School Physics Safety & Ski. E Guided practice 3 ( ENERGY LEVELS ELEMENTS 1-20 CAO NITODEN ONTOEN MEDN ALIMM SJOON 14 PHOPHOR CHLOFINE 17 ARGON 12 POTABE CALCUM 20 In an ionic bond, a metal atom loses electron(s) and a nonmetal gains them. What type of ion would Sulfur (S) become if it was bonded to a metal? O A. 1- ion O B. 1+ ion OC 2 ion O D. 2+ jon DELL F10 Hom F11 PrScr F12 tevsert F2 F3 F4 F8 @ %23 & フ 3 E T F G H K C B Mo Alt Ct Alt

< 385000 Jm STARTING AMOUNT 385000 km x 1000 m 1 km X 11080 s 3470 min X 1000 1 1 min 60 s = min The distance from the Earth to the moon is 385000 km. The Apollo 10 mission holds the record for the highest speed by a manned vehicle at 11080 m/s. How many minutes would it take for the Apollo 10 mission to reach the moon assuming the rocket travels in a straight line at that top speed? m Jann X 11080 Question 10.c of 10 3470 min X 1 60 Dain = min

. Data Table 4 Constants needed for the calculations: c = 3.00 x 108 meters/second Planck's Constant (h) = 6.63 x 10-34 joules seconds nf = 24 e 2 Wavelength (nm) Wavelength (m)< ΔΕ (J)< nj Red Light 656.2 nm ← I Green Light 486.1 nm ( J 2 Blue Light 434.0 nm 7 바닥글 AE Violet Light 410.0 nm P P J 수식 P P P 고급 기호

# ← Aktiv Chemistry - Principles of Ch x app.101edu.co < Aktiv Chemistry Type here to search A chemist has a block of iron metal (density is 7.87 g/mL). The block weighs 2.10 g. What is the volume of the iron block in ml? O Hi + 迄 Your Aktiv Learning trial expires on 08/29/22 at 07:08 PM Question 37 of 73 NEGAR O 1 4 7 +/-

When Forrest Gump "just felt like runnin", it is estimated he ran 3.0634 x 10 km. Assuming an average running speed of 6.00 mph and Forrest ran 12 hours a day, how many days was he running? (1milc = 1.60934 km)

Hawaii Carbon Dioxide Time-Series 425 CO2 Time Series in the North Pacific 8.30 Mauna Loa Atmospheric CO2 (ppm) ALOHA seawater PCO2 insitu (uatm) ALOHA seawater pH (insitu) 400- 160°W 158°W 156°W 8.25 23°N Station ALOHA 22 375- - 8.20 21° 20° Station Mauna Loa 8 350- 190 -8.15 325 8.10 300- 8.05 275- 8.00 2021 1958 1967 1976 1985 1994 Year" Data Mauna Loa (php.ondi noan ovproductsrendaeeee n mlo iN) ALOHA phahana soest hawaieduttdogstexionhl) ALOHA pi &C0, e calulated a insitu tempere fhom DIC A TA (measured from samples collected on Hawai Ocean Times-series IOT) enuisen) ing coys (Pelletier, v2so) wih constants Lueker et al. 2000, KSO Dickson, Total boron Lee et al. 2010, & KF secarb 2003 2012 What problem in the oceans does the data collected from 1985 to 2021 show?

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Chrome File Edit View History Bookmarks People Tab Window Help 74% Sat 2:20 PM Kayley Valentine OneLogin x O Microsoft Office Home Content New Tab AALEKS-Kayley Valentin x A www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsikr7j8P3jH-IBI5ahvJxLWwcNXdqGDIniqicnbb-P2iXO0filILEyqsWt8DxNO... E Apps HPrechecks: Test 2. O MATTER Calculating mass density Try again. Kayley v A chemist v v as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of pentane, dimethyl sulfoxide, acetone, methyl acetate, and chloroform. The chemist plans to try to identify the unknown liquid by measuring the density and comparing to known densities. First, from his collection of Material Safety Data Sheets (MSDS), the chemist finds the following information: liquid density 0.63 mL pentane db dimethyl sulfoxide 1.1 0.79 acetone 0.93 mL methyl acetate 1.5 chloroform 3 Next, the chemist measures the volume of the unknown liquid as 1797.…

R Classes How Matter Can Change | DisCO X 23 a app.discoveryeducation.com/learn/techbook/units/aa398417-005b-4cBe-99bb-8e74d1815830/concepts/8333a0ec-d31a-4a69-81cf-652b0 HGoogle Classroom:) Concept 21 How Matter Can Change 小 Explore Activity 10 Student Edition For the reaction that follows, predict the number of each atom that will be present in the products. 3NAOH+H3PO4→ products Na: 0: H:_ P: A chemist is performing a reaction in which SO2 and O2 react to form SO3 according to the equation & 6.

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Part C F10 BO O 3.04 × 10³ 6.27 x 10-1 The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is equivalent to ug drug per kg of body weight. ► View Available Hint(s) O 627 O 1.38 × 10³ P Pearson * Education Inc. All rights reserved. | Terms of Use Privacy Policy. Permissions Contact Us | Bb Home L End Insert ■ Review |- Constants | Periodic Table 1 2

Many chemistry problems result in equations of the form x² (0.329 - x) When this equation is solved, the two values of the unknown x are 1.66 x 10-2 = and

Chrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q OE o Chem101 O General Chemistry I (LAB SCI) X + i app.101edu.co EApps MM Gmail YouTube 9 Maps A Translate https://www.carth. 9 Google Chrome isn't your default browser Set as default Question 7 of 7 Submit Using the equations 2 Sr(s) + O2 (g) → 2 Sro (s) AH° = -1184 kJ/mol CO2 (g) → C (s) + O2 (g) AH° = 394 kJ/mol kJ/mol Determine the enthalpy for the reaction C(s) + 2 SrO(s) → CO2 (g) + 2 Sr(s). 1 2 6 C 03.0 Se VHFORMA The MO -Standa 8 AH ma +/- x 100 8T國山電@ O etv Oct 24 MacBook Air 80 888 SC FS F6 F3 F2 %23 2$ & delete 3 5 8. W E R Y U H J к K ret F V M 4-

01. [02.01 The Atomic Theory of Matter / 02.02 The Discovery of Atomic Structure] [Answer: (a) Get the answers by yourself. (b) The charge on an electron = 9.60 × 10-9 wa, (c) A: 4e, B: 5e, C: 3e, D: 9e, (d) 6.00 x 107 wa/C.] Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops using an unusual (and imaginary) unit called the warmomb (wa). The scientist obtains the following data for four of the drops: Droplet Calculated Charge (wa) A 3.84 x 10-8 (a) If all the droplets were the same size, which would fall most slowly through the apparatus? B 4.80 × 10-8 (b) From these data, what is the best choice for the charge of the electron in warmombs? C 2.88 x 10-8 D 8.64 × 10-8 (c) Based on your answer to part (b), how many electrons are there on each of the droplets? (d) What is the conversion factor between warmombs and coulombs?

E Untitled document - Google Do x Q Playing a Game-Quizizz A PS Chemistry 2021-2022 O O C OC ! + + C O i quizizz com join/game/U2FsdGVX1N252FMftklpwfa9X80252F38YIbYley6loCEFACqWjPyKfg1jvgSg6AgGTbZQvopzlU6gCvuTkl. Microsoft Word - C. »| O Reading list MusicFirst LMS How Did the Inventi. O OTA Student Bookmarks W webiinz-Come in. Google Slides F Google Docs A https://web.learnin. Which type of electromagnetic radiation has a greater amount of energy, microwaves or IR? IR microwaves Zoom in US OO 13:28 esc @ 2# % & 1 3 4 7 8 backspace rab e r y a f V n alt alt ctri

Please answer fast it’s very important and urgent I say very urgent so please answer super super fast please For the image attached For 1. a Mass of metal: Trial 1 is 35.0228 g Trial 2 is 35.0915 g Trial 3 is 34.0821 g Mass of water: Trial 1 is 20.0177 g Trial 2 is 20.0250 g Trial 3 is 20.0168 g For delta t of water: Trial 1 is 15.5 C Trial 2 is 15.7 C Trial 3 is 15.1 C For delta t of metal Trial 1 is 80.1 C Trial 2 is 80.2 C Trial 3 is 79.5 C For B my calculated Specific heat is: Trial 1 is 0.462 Trial 2 is 0.467 Trial 3 is 0.466

The frequency of a radio wave was measured to be (5.5x10^8) Hz What is the energy of the radio wave in joules (J)? 1 Hz = 1 s-1 h = 6.626 x 10-34 J-s • written with the correct number of significant figures • in scientific notation Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10 units

A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is hiswavelength at this speed if his mass is 84.5 kg? (Please show steps)

11) The half-life of Aluminum-28 from your lab is 2.2414 minutes. If you start with 13 mg of the material, how long will it take for the amount of Al-28 to drop to 1.3 mg?

ITEMS USED FOR EXPERIMENT: •Ring stand •Hot plate •125 mL Erlenmeyer flask•400 mL beaker•10 mL graduated cylinder •Aluminum foil•Rubberband•Paper Clip•Thermometer•Vial containing unknown liquid You know have the following data: Mass of flask + foil + rubberband: 78.637 gMass of flask + foil and rubberband+ unknown condensed liquid: 78.847 gTemperature of water bath: 100C = 373 KPressure of gas in our system: 29.02 inHg = 0.9699 atmVolume of gas in our system: 141 mL = 0.141 L 1. During the experiment, you collect the following data: Mass of flask: 80.001 g Mass of flask + unknown condensed liquid: 80.452 g Temperature of water bath: 100 °C Pressure of gas in our system: 0.998 atm Volume of gas in our system: 265 mL Which of the following number(s) need a conversion before they can be used? (Check all that apply) [ ] Group of answer choices [ ] Volume of gas in our system [ ] Mass of flask [ ] Temperature of water bath [ ] Pressure of gas in our system [ ] Mass of flask +…

Using the trendline from your plot, calculate the absorption of a solution with a concentration of Cr3+ of 0.0325 M. Hint, check your Excel plot to see if concentration is the x or y axis. 3. Substitute as appropriate into the equation of the trendline.

Aktiv Chemistry - Principles of Ch x app.101edu.co = C # O Aktiv Chemistry Type here to search X O E + A chemist has a block of iron metal (density is 7.87 g/mL). The block weighs 2.10 g. What is the volume of the iron block in ml? Your Aktiv Learning trial expires on 08/29/22 at 07:08 PM Question 37 of 73

M Mathway| Algebra Prol X G rmolar mass of zinc chle x Launch Meeting-Zoom x G 0.16kg to g- Google Se x + www-awu.akeks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lix5uFZIVj2iEJjąd1WoxT77ErtzZZpGbzESWhuQ5KnLFr-AdqJckJ3tzP4DtHEOm2H4pGXeoGQgUw9Q Lco06TW. O GASES, LIQUIDS, AND SOLIDS 三 Using the Kf and Kb equations with electrolytes Jenee The normal freezing point of a certain liquid X is 2.30 °C, but when 74.0 g of barlum hydroxide (Ba(OH),) are dissolved in 900. g of X the solution freezes at -1.4°C Instead. Use this information to calculate the molal freezing point depression constant K, of X. Be sure your answer is rounded to the correct number of significiant digits. °C kg K, = [] mol x10 Check Explanation ©2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy | Acces MO hp

55R) The density of lead is 11.4 g/cm3. The mass of a lead ball with a radius of 0.50 mm is _g. 4nr. (n = 3.1416; Vsphere = "n3/3) A) 6.0 B) 4.6 x 10-2 C) 4.6 x 10-5 D) 6.0 x 10-3 E) 4.6

203.77miles/sec is converted to cm/nsec?

sion In ý College Board-SAT O Reading list >> My Profile- Zoom Results of the chec My Citation Ilist 9/2 me-AP Student O Elk Grove Unified Constants | Periodic Table Imagine that your water heater has broken, but you want to take a bath. You fill your bathtub with 25 kg of room-temperature water (about 25 C). You figure that you can boil water to 100 C on the stove and pour it into the bath to raise the temperature Part A How much boiling water would you need to raise the bath to body temperature (about 37 "C)? Assume that no heat is transferred to the surrounding environment. Express your answer to two significant figures and include the appropriate units. • View Available Hint(s) HẢ Value Units Submit Part B Complete previous part(s) Provide Feedback Next > P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us | e A 10:13

49) Calculate the length of a copper wire having a diameter of 0.200 cm and a mass of 15.620 g. The density of copper is 8.92 g/cm3. (Given: volume = 7 d2 L/4, where p = 3.14, d = diameter, and L = length) A) 1.80 x 10-4 cm B) 4.00 x 10-4 cm C) 1.75 cm %3D %3D %3D D) 5.50 × 10-2 cm E) 55.8 cm

a .ull Asiacel| 10 N 141 N O A box with a volume (V=0.05 m³) lies at the bottom of a lake whose water has a density of (1*10³ kg/m³). How much force is required to lift the box, .if the mass of the box is (1000 kg) 9319.5 N O 9313.9 N O 9391.5 N O 9315.9 N O A future rectangular ship filled with oil. If the dimensions of the ship are (250 m) long, (80 m) wide, and (80 m) high. Determine how far the bottom of the ship is below the sea level? (Consider the total mass of the ship with the oil is (10.2*108 kg), and the .sea density is (1024 kg/m³))

Chrome File Edit View History Bookmarks Profiles Tab Window Help 34% Thu 10:05 AM AD FS 2.0 Authentic X 9.1 Systems of Line x Mathway | Algebra F X b My Questions | bart x New Tab AM Prob Set 3 E Madeline Carlo - CH X + docs.google.com/document/d/1hKrNWYmRNxoOdiX76YAFLOkOFjd8z9LTERdVsMggOJE/edit .1. For the overall reaction UO, + 3 Pt3* + 8 H,0 → U?* + 3 Pt5+ + 16 OH- 8, .1a. write the half reactions .1b. Label each half reaction as oxidation or reduction .1c. Determine n, the number of electrons transferred in the overall reaction 3. Dictionary CC Aa ...

You have to walk 19352 mi from the crash site of your Mars spacecraft to the interplanetary mars station. You have energy bars........each of these contain 534 Cal per bar and you know that you will need 12 Cal for every 345 meters that you walk. If each bar weigh 122.3 g, how many pounds of bars will you carry with you to start out with? (assume that: 1mi = 1.6km, and 2.2lb 1kg) Round your answer for 3 decimal places. =