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Antifreeze containing ethylene glycol is also needed in automobiles in extremely hot climates. Using what you know about other colligative properties, explain why this is so

McCroskey asked Oct 1, 2024

by McCroskey

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4 votes

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What is the molarity of a solution that contains 29.0 g of vitamin b1 hydrochloride (with a molar mass of 337 g/mol ) in 330. ml of solution?

Neffets asked Oct 1, 2024

by Neffets

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2 votes

149k views

What amino acids does the catalytic triad with serine protease use

Rchome asked Oct 1, 2024

by Rchome

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1 vote

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Ammonium sulfite and ammonium bisulfite are marketed as?

Daenyth asked Oct 1, 2024

by Daenyth

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1 vote

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What is a simple explanation of the polymerase chain reaction?

Carter Pape asked Oct 1, 2024

by Carter Pape

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1 vote

161k views

X ray radiation falls in wavelength region of 1.00*10⁻¹¹ to 1.00*10⁻⁸ meters what is the frequency of xray radiation that has a wavelength of 1.00*10⁻¹¹

Jason Hoffmann asked Oct 1, 2024

by Jason Hoffmann

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3 votes

108k views

What is the molar concentration of 45.6 cm³ of hydrochloric acid that requires 54.2 cm³ of 0.166 M potassium hydroxide to neutralise it? A. 0.140 M B. 0.163 M C. 0.197 M D. 7.57 M

Artdanil asked Oct 1, 2024

by Artdanil

8.6k points

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3 votes

43.5k views

Is it important for the coder to know if the wound care is for nonsurgical or surgical wound? 1) Yes, it is important for the coder to know 2) No, it is not important for the coder to know 3) Cannot be

Martin Trigaux asked Oct 1, 2024

by Martin Trigaux

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2 votes

198k views

Which statement describes how phase changes can be diagrammed as a substance is heated? A) The phase is on the y-axis and the temperature is on the x-axis. B) The temperature is on the y-axis and the phase

Sjemmie asked Oct 1, 2024

by Sjemmie

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1 answer

2 votes

168k views

When limestone (which is principally CaCO3) is heated, carbon dioxide and quicklime (CaO) are produced by the reaction CaCO3(s) →∆ CaO(s) + CO2(g) . If 16.3 g of CO2 was produced from the ther- mal decomposition

Cody S asked Oct 1, 2024

by Cody S

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1 answer

4 votes

39.2k views

For my project I needed to di-substitute benzamide with ethyl group at N position to create DEB as a mosquito repellent. The first part of creating benzamide I was able to do, but the second part of substituting

Donnalee asked Oct 1, 2024

by Donnalee

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4 votes

148k views

A mixture contains only KCl and Ba(NO₃)₂. Mass percent question. A) KCl B) Ba(NO₃)₂ C) Both are present D) Neither is present

Curline asked Oct 1, 2024

by Curline

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157k views

How many moles of sodium chloride will be produced if we used 1 mole of sodium hydroxide and 0.25 moles of hydrochloric acid? Calculate the mass of sodium chloride produced. NaOH + HCl -> NaCl + H2O

Martin Bauer asked Oct 1, 2024

by Martin Bauer

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1 vote

98.6k views

How many boiling stones go into the flask during simple distillation in Lab ? a) One b) Two c) Three d) None

Sanjay Uttam asked Oct 1, 2024

by Sanjay Uttam

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1 vote

43.5k views

In Rutherford’s gold foil experiment, many of the alpha particles passed straight through the gold foil, completely undeflected. What did Rutherford conclude from this observation? A. Alpha particles have

BeetDemGuise asked Oct 1, 2024

by BeetDemGuise

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4 votes

81.2k views

What is the solubility of CaCO3 in rain water (pH = 5.8)? What is the solubility of CaCO3 in acid rain (pH = 4.24)?

FUD asked Oct 1, 2024

by FUD

7.9k points

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5 votes

162k views

The symbol B on the periodic table stands for: A. Beryllium B. Boron C. Barium D. Berkelium

FireBand asked Oct 1, 2024

by FireBand

7.6k points

1 answer

3 votes

84.1k views

Label a data table so that the experimenter can record observations for the sand and water temperatures at various points. the collum table 5 length x 3 width science

Lisovaccaro asked Oct 1, 2024

by Lisovaccaro

7.6k points

1 answer

3 votes

136k views

The table below gives the numbers of protons, electrons, and neutrons in four atoms. Atom 1 2 3 4 Based on the table, which atom has a charge of -1? 1 2 Number of protons 9 9 9 19 Mark this and return

Patsweet asked Oct 1, 2024

by Patsweet

7.1k points

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5 votes

50.2k views

If you add 1/2 cup of creamer (20% butterfat) to 2 cups of coffee, how many cups result and what is the percent butterfat of the mixture? a) 2 1/2 cups, 16% butterfat b) 2 1/2 cups, 15% butterfat c) 2

Chamod Rathnayake asked Oct 1, 2024

by Chamod Rathnayake

8.0k points

1 answer

0 votes

28.1k views

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