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Which element does this atom represent? (Refer to the periodic table of the elements.)(red = protons, gray = neutrons, and blue = electrons)

Jaeson asked Dec 21, 2024

by Jaeson

8.3k points

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4 votes

156k views

What term describes a type of development in which there is partial metamorphosis, involving distinct nymph stages before reaching adulthood? Option 1: Holometabolic development Option 2: Ametabolic development

Pshemek asked Dec 21, 2024

by Pshemek

7.8k points

1 answer

1 vote

28.9k views

What is the molarity of acetic acid (CH₃COOH) in vinegar, which is 5.0% acetic acid by mass? The density of vinegar is 1.01 g/mL. a. 0.49 M b. 0.71 M c. 1.42 M d. 2.84 M

Gwik asked Dec 21, 2024

by Gwik

8.4k points

1 answer

3 votes

75.0k views

How should the distillation flask/three-way adapter assembly be positioned?

Asafbar asked Dec 21, 2024

by Asafbar

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1 answer

5 votes

103k views

Use the equation to answer the question. H3PO4 + HCI H3P + Cl₂ + H₂O Which option shows a correctly balanced chemical equation? (1 point) - O 4H3PO4 + 8HCI - 4H3P+4Cl₂ + 4H₂O OH3PO4 + 8HCI - H3P + 4Cl2

Jason Rich Darmawan asked Dec 21, 2024

by Jason Rich Darmawan

8.0k points

1 answer

4 votes

90.5k views

classify each of the following substances as a nonelectrolyte, weak electrolyte, or strong electrolyte in water. a) h2so3, b) c2h5oh (ethanol), c) nh3, d) kclo3, e) cu(no3)2

NextRev asked Dec 21, 2024

by NextRev

8.1k points

1 answer

2 votes

32.1k views

Sodium-24 has a half-life of 14.8 hours. How much of a 785.0 mg sodium-24 sample will remain after 3.7 days?

Mintgreen asked Dec 21, 2024

by Mintgreen

8.0k points

1 answer

0 votes

138k views

How many valence electrons are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride? a. 2 b. 3 c. 1 d. 0

ArniReynir asked Dec 21, 2024

by ArniReynir

8.6k points

1 answer

3 votes

154k views

Consider these reactions were in represents a generic metal one is to M solid +6 HCl aqueous healing to MCL three aqueous Blessed three H2 gas the delta H of one is -811.0 kJ reaction number two is HCl

Jollelj asked Dec 21, 2024

by Jollelj

8.4k points

1 answer

0 votes

126k views

How many atoms are in 3 Na2SO4?

Hylke asked Dec 21, 2024

by Hylke

8.3k points

1 answer

1 vote

180k views

aluminum metal reacts with aqueous copper(ii) sulfate to form aqueous aluminum sulfate and copper metal. what is the stoichiometric coefficient for aluminum when the chemical equation is balanced using

MichaelB asked Dec 21, 2024

by MichaelB

8.2k points

1 answer

0 votes

33.6k views

What Aseptic and Deseptic corrodes?

Booiljoung asked Dec 21, 2024

by Booiljoung

8.1k points

1 answer

4 votes

142k views

If you have used up all the electrons available, and some of your atoms still do not have an octet, how do you draw a stable Lewis dot structure? A. Share electrons with nearby atoms. B. Remove excess

SDW asked Dec 21, 2024

by SDW

7.2k points

1 answer

4 votes

140k views

Elaborate the difference between NO and No. Responses A NO and No both symbolize the molecule nitrogen monoxide - the capitalization doesn't matter.NO and No both symbolize the molecule nitrogen monoxide

Grgmo asked Dec 21, 2024

by Grgmo

7.9k points

1 answer

5 votes

205k views

Electron affinity decreases down the groups and from right to left across the periods on the periodic table because ________

Ouda asked Dec 21, 2024

by Ouda

8.6k points

1 answer

1 vote

60.5k views

A mixture of gaseous reactants is put into a cylinder organic tutor? Option 1: Boyle's law Option 2: Charles's law Option 3: Gay-Lussac's law Option 4: Avogadro's law

Rikamamanus asked Dec 21, 2024

by Rikamamanus

8.5k points

1 answer

5 votes

42.8k views

Al2(so3)3 6 naoh ------> 3 na2so3 2 al(oh)3 if 10.0 g of al2(so3)3 is reacted with 10.0 g of naoh, determine the limiting reagent determine the number of grams of na2so3 produced. determine the number

Xaxazak asked Dec 21, 2024

by Xaxazak

8.4k points

1 answer

0 votes

103k views

How to convert 1-phenylethanol to methyl 1-phenylethyl sulfide? A. Oxidize with potassium permanganate B. React with methyl magnesium bromide C. Treat with thionyl chloride and methyl mercaptan D. Perform

EducateYourself asked Dec 21, 2024

by EducateYourself

8.3k points

1 answer

4 votes

114k views

Hydrogen (symbol - H) is an odd element in that it has both metal AND nonmetal properties. A. True B. False

Fishman asked Dec 21, 2024

by Fishman

8.1k points

1 answer

2 votes

72.2k views

Given that most esters are volatile, can you use the melting point as a general method of analysis for your ester in this lab? Explain. A) Yes, because the melting point is a reliable indicator of the

Ashar Syed asked Dec 21, 2024

by Ashar Syed

7.3k points

1 answer

5 votes

83.2k views

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