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3.25 mol caco3 decomposes according to the reaction above. what volume of co2 gas is produced once the gas cools to stp

Andyrue asked Oct 12, 2024

by Andyrue

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State how the krypton ions are accelerated and separated in the time of flight mass spectrometer

Iagdotme asked Oct 12, 2024

by Iagdotme

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The mass of the atom sodium-23 is 22.9898 amu. (a) Calculate its binding energy per atom in millions of electron volts. (b) Calculate its binding energy per nucleon.

Ace Dimasuhid asked Oct 11, 2024

by Ace Dimasuhid

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Which of the following is a homologous series? 1) Alkanes 2) Alkenes 3) Alkynes 4) Alcohols

Shoeb Mirza asked Oct 11, 2024

by Shoeb Mirza

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1 answer

5 votes

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A certain bimolecular reaction at 40 °C at an activation energy of 30 kJ/mol. The addition of a catalyst reduces the activation energy by a factor of 2. How much faster does the catalyzed occur? Select

Inderjeet asked Oct 11, 2024

by Inderjeet

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1 vote

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Methane burns in the presence of oxygen to form carbon dioxide and water. 1st attempt A sealed chamber contains 7.00 gCH_4 and 11.5 gO_2 . The mixture is ignited producing CO_2 and H_2O. How many grams

Pungoyal asked Oct 11, 2024

by Pungoyal

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4 votes

133k views

How are the surface area-to-volume ratio, diffusion rate, and time for substances to reach the center related in the agar block diffusion experiment? A) They are not related. B) As surface area-to-volume

Nauman Afzaal asked Oct 11, 2024

by Nauman Afzaal

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1 answer

3 votes

92.6k views

How many electrons are in the 2p sub-energy level of a neutral nitrogen atom? a. 1 b. 2 c. 3 d. 4

SuperTron asked Oct 11, 2024

by SuperTron

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1 answer

5 votes

112k views

If two forces are going in opposite directions, find the net force by (A. multiply), (B. subtract), (C. add), (D. divide) the forces.

Rachid Finge Jr asked Oct 11, 2024

by Rachid Finge Jr

7.6k points

2 answers

2 votes

182k views

Describe how graphical methods can be used to determine the order of a reaction and its rate constant from a series of data that includes the concentration of A at varying times. A. Plot [4], In[4], and

Andrew Morris asked Oct 11, 2024

by Andrew Morris

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1 answer

2 votes

217k views

At 273K, the speed of an H2 molecule is 1.84*103 m/s. At what temperature will urms be 2.9 times that value? Give the answer in K

DEEPTHI MUKUNDAN asked Oct 11, 2024

by DEEPTHI MUKUNDAN

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2 votes

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Some compounds are colored due to HOMO-LUMO transition. We see the complimentary color to the frequency which the electron absorbs to get the high molecular orbital. But after some the electron should

Vitaly Gordon asked Oct 11, 2024

by Vitaly Gordon

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Is the classification of a substance as a Lewis acid or Lewis base based on its pH? A. Yes B. No

Blandish asked Oct 11, 2024

by Blandish

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1 answer

3 votes

96.4k views

Balanced hydrogen sulphide

Eedeep asked Oct 11, 2024

by Eedeep

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3 votes

106k views

Engineers carefully choose the __________ and _______________ to control sound waves.

Bonatti asked Oct 11, 2024

by Bonatti

8.6k points

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4 votes

164k views

Which statement is always true when nuclear fusion occurs? A) Energy is released. B) Neutrons are gained. C) A new element is formed. D) Radioactive decay occurs.

Vishnu R asked Oct 11, 2024

by Vishnu R

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3 votes

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Which element has the following ground-state electron configuration? [Xe]6s24f145d4 A) Pm B) Np C) W D) Mo E) Re

Bpolat asked Oct 11, 2024

by Bpolat

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A 12 hour fast is normally required in testing for this analyte: a. Bilirubin b. Calcium c. Electrolytes d. Triglycerides

Hbaltz asked Oct 11, 2024

by Hbaltz

7.9k points

1 answer

0 votes

33.5k views

Reproduce the chemical reaction of bicarbonate formation by carbonic anhydrase a) H₂CO₃ + H₂O → HCO₃- + H₃O+ b) CO₂ + H₂O → H₂CO₃ → HCO₃- + H+ c) HCO₃- + H+ → CO2 + H₂O d) H₂O + CO2 → HCO₃- + H₃O+

Rdb asked Oct 11, 2024

by Rdb

8.4k points

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3 votes

172k views

When compared to phosphorous, nitrogen has a a. lower ionization energy due to a greater number of protons. b. lower ionization energy due to a greater number of electrons. c. higher ionization energy

GuiDoody asked Oct 11, 2024

by GuiDoody

8.1k points

1 answer

1 vote

72.9k views

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