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Which element will have the same electron dot structure (Lewis Dot) as the example (A)? a) Potassium b) Oxygen c) Calcium d) Aluminum

Dorianne asked Oct 1, 2024

by Dorianne

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A chemist collects a sample of H2S (g) over water at a temperature of 250 C. The total pressure of the gas that has displaced a volume of 25 mL of water is 200.30 kPa. What is the pressure of the H2S gas

Ali Ahmadi asked Oct 1, 2024

by Ali Ahmadi

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Hepatic metabolism of: Halothane Enflurane Isoflurane Desflurane Sevoflurane

TylerDurden asked Oct 1, 2024

by TylerDurden

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The reaction ( 2A + B → C ) is of order 1 with respect to A and order 2 with respect to B. The rate constant is ( 5.1 × 10⁻⁵ ,M^-2.5 ) at a certain temperature. Calculate the reaction rate when the concentrations

Primit asked Oct 1, 2024

by Primit

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4 votes

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Why are samples of the alkali metal cesium usually stored in argon gas?

Samera asked Oct 1, 2024

by Samera

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1 vote

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If 40.5 g of KCl are dissolved 250.0 g of water at 25.0 °C in an insulated container, a temperature change is observed. The AH of solution of KCI is 17.2 kJ/mol. Assuming that the specific heat of the

Orustammanapov asked Oct 1, 2024

by Orustammanapov

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1 answer

1 vote

27.5k views

8g of Al reacted with 10g of HBr calculate the amount in grams of excess reagent left at the end of the reaction

Deepak asked Oct 1, 2024

by Deepak

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1 answer

4 votes

85.8k views

Do avalanchers play a large part in shaping the Earth's surface?

Roshan Upreti asked Oct 1, 2024

by Roshan Upreti

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2 answers

4 votes

140k views

What is the name for the speed of sound traveling through air? A. echolocation B. elasticity C. mach 1 D. supersonic

Avis asked Oct 1, 2024

by Avis

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1 answer

2 votes

207k views

Why would someone switch to artificial sweeteners? A) To reduce calorie intake B) To increase sugar consumption C) To improve dental health D) To enhance flavor in cooking

Juraj Petrik asked Oct 1, 2024

by Juraj Petrik

7.9k points

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0 votes

153k views

Species oxidation state of highlighted atom Cu (aq) CuCl(s) Hz(g) FeSO4(s)

MikeVaughan asked Oct 1, 2024

by MikeVaughan

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0 votes

222k views

For cadmium, the molar enthalpy of fusion is 55 J/g and the molar entropy of fusion is 10.42 J/molK. The molar enthalpy of vaporization is 889 J/g and the molar entropy of vaporization is 96.1 J/molK.

Hebert asked Oct 1, 2024

by Hebert

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31.2k views

In a certain chemical, theratio of zinc to copper is 3 to 14. Ajar of the chemical contains 616 grams of copper. How many grams of zinc does it contain?

Oliver M Grech asked Oct 1, 2024

by Oliver M Grech

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2 votes

118k views

Write about glyceryl monothioglycolate (GMTG)

LPCRoy asked Oct 1, 2024

by LPCRoy

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1 answer

1 vote

233k views

There are four naturally occurring lead isotopes: lead-204 (1.4%), lead-205 (24.1%), lead-206 (22.1%) and lead-208 (52.4)%. Using this information, calculate the average atomic mass of lead.

Ozgen asked Oct 1, 2024

by Ozgen

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3 votes

89.3k views

How many grams of CaCl₂ are needed to make 535 mL of 4.55 M CaCl₂= a.13.0 g b.505 g c.21.9 g d.944 8 e.270 g

Catiana asked Oct 1, 2024

by Catiana

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3 votes

177k views

What is covalent bond

HDallakyan asked Oct 1, 2024

by HDallakyan

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1 answer

1 vote

14.8k views

Calculate the mass of chlorine in 35g of CCl4

Jonathan Holland asked Oct 1, 2024

by Jonathan Holland

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1 answer

1 vote

150k views

there can be many reasons for the failure of a lubrication system. which of the following reasons may not be a reason for the failure of a lubrication system? a. overheating of oil b. oxidation of oil

DCToDaylight asked Oct 1, 2024

by DCToDaylight

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1 answer

5 votes

188k views

Write the electronic configuration of the Na+, Mg2+, Ca2+, and Rb+ ions. a) Na+: 1s² 2s² 2p⁶ 3s² 3p⁶, Mg2+: 1s² 2s² 2p⁶ 3s², Ca2+: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s², Rb+: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰

Jafrin asked Oct 1, 2024

by Jafrin

8.4k points

1 answer

5 votes

75.2k views

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