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AS Chemistry Unit 1.3: Mole Calculations (Moles & Mass) Relative Molecular Mass 1. Calculate the relative molecular mass of: a) H₂SO4 40-11(14.0x2)+(6x18 b) Ca(NO3)2 c) CuSO4.7H₂O (2x1) + 32.1 + (16x 4)

Acha Bill asked Dec 28, 2024

by Acha Bill

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A quantity of substance A was taken along with its weakness of substance B. When the reaction reached equilibrium, it was found that the remaining substance A equals 2 moles. If you know that the value

Sap asked Dec 28, 2024

by Sap

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What is the molecular geometry for germanium disulfide?

AndriyFM asked Dec 28, 2024

by AndriyFM

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Why will a black tin absorb more energy and be hotter than a silver tin? (Write a detailed explanation with science terminology)

Alli asked Dec 28, 2024

by Alli

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Every element in the second period has _______________________ for its ________________. See the pattern?

Rodrigo Borba asked Dec 28, 2024

by Rodrigo Borba

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3 votes

182k views

With a zinc atom with 34 neutrons, would you have 34 nuclei? a) Yes b) No c) Depends on the atomic number d) Cannot be determined

Indrasinh Bihola asked Dec 28, 2024

by Indrasinh Bihola

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4 votes

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Nitrogen forms a surprising number of compounds with oxygen. A number of these, often given the collective symbol NOx (for "nitrogen + x oxygens") are serious contributors to air pollution. They can often

Dickens A S asked Dec 28, 2024

by Dickens A S

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.Which hydrogen bonds have been found to stabilize a polypeptide's folded shape? A. (A) Hydrogen bonds between side chain atoms B. (B) Hydrogen bonds between backbone atoms C. (C) Hydrogen bonds between

Itminus asked Dec 28, 2024

by Itminus

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Which of the following statements about bonds between two carbon atoms is/are correct? O (i) Bond strength increases as more electrons are shared between the atoms. O (ii) Bond strength increases as the

Andrus asked Dec 28, 2024

by Andrus

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161k views

Molecular Orbital Approximation a) χ = ψ b) χ ≠ ψ c) Φ = χ d) Φ ≠ χ

James Hancock asked Dec 28, 2024

by James Hancock

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2 votes

134k views

Is the current in the detector proportional to the ion abundance in TOF spectrometry?

DoctorDep asked Dec 28, 2024

by DoctorDep

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There are a lot of textbook examples showing what happens to the pH of a buffered solution when you add strong acids and strong bases. Searching for an example calculation where you add weak acids or bases

David Kidwell asked Dec 28, 2024

by David Kidwell

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114k views

Number of moles in 4 g Ca3(PO4)2

ColOfAbRiX asked Dec 28, 2024

by ColOfAbRiX

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167k views

How much greater is the atomic number of the fourth element in groups 1, 2, and 18 compared to the preceding elements?

Ninad Pingale asked Dec 28, 2024

by Ninad Pingale

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155k views

Which of the following is a production variable that affects the taste of the spirit? 1) filtering 2) type of maturation 3) base material for fermentation 4) all of the above

Satyen Udeshi asked Dec 28, 2024

by Satyen Udeshi

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What pressure would be exerted by 9. 3 Newtons over a 48. 9 m2 area?

SparkyRobinson asked Dec 28, 2024

by SparkyRobinson

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5 votes

57.0k views

Question 7 of 15 In the equation Q = mcΔT, c represents OA. the thermal energy B. the mass of the substance being heated C. the specific heat of the substance being heated D. temperature measured in °C

Peter Dillinger asked Dec 28, 2024

by Peter Dillinger

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3 votes

46.5k views

Use the diagram of the solution A cylinder contains many pale blue balls and 3 purple balls. A box has a pale blue ball with the label H⁺ and a purple ball with the label Oₕ negative. Use the diagram of

Aeosynth asked Dec 28, 2024

by Aeosynth

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If 8.40 moles of sulfur dioxide are produced when this reaction occurs, how many moles of oxygen were required?

Nypan asked Dec 28, 2024

by Nypan

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3 votes

126k views

Which property describes observable characteristics of matter like color? Chemical Property Physical Property Reactivity Sublimation

LyricalPanda asked Dec 28, 2024

by LyricalPanda

9.0k points

1 answer

1 vote

95.9k views

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