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Which of the following best describes the impact of an increase in arc length for the FCAW, GMAW, & SAW processes? a) Arc voltage does not change. b) Decreases the arc voltage drop across the arc. c) Increases

Rabbitinspace asked Sep 16, 2024

by Rabbitinspace

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A gas has a density of 1.43 g/L at a temperature of 23°C and a pressure of 0.789 atm. Calculate its molar mass. a) 28.7 g/mol b) 32.0 g/mol c) 44.6 g/mol d) 52.1 g/mol

Keith Pitty asked Sep 16, 2024

by Keith Pitty

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The name given to an aqueous solution of HClO3 is A. Chlorous acid. B. Hypochlorous acid. C. Chloric acid. D. Hydrochloric acid. E. Hypochloric acid.

Rahul Bhooteshwar asked Sep 16, 2024

by Rahul Bhooteshwar

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Dalton believed that atoms could be a. rearranged to create other atoms b. broken into parts c. used to form elements d. combined to form compounds"

Sykora asked Sep 16, 2024

by Sykora

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4 votes

98.2k views

Which of the following is true about groundwater? a. rainwater only moves into groundwater locations. b. groundwater is stored in porous rock and aquifers. c. surface water does not move into groundwater.

Ryan Kyle asked Sep 16, 2024

by Ryan Kyle

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2 votes

206k views

An NMR spectrum results from photon irradiation in which the nuclear spin alignment is flipped.

Chris Felstead asked Sep 16, 2024

by Chris Felstead

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3 votes

171k views

Write the ground-state electron configuration of tungsten (W).

Endian asked Sep 16, 2024

by Endian

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128k views

How many moles are in 5.4 x 1024 molecules of NaBr? O 3 moles O 18 moles O 9 moles O 15 moles

Brunobowden asked Sep 16, 2024

by Brunobowden

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2 votes

62.7k views

What is the name of this faulty

Kevin Nielsen asked Sep 16, 2024

by Kevin Nielsen

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3 votes

203k views

A sample of 25.0 ml of buffer solution contains 0.100 M fluoride ions and 0.126 M hydrofluoric acid. What is the pH of this buffer solution? a) pH = 2.87 b) pH = 3.27 c) pH = 3.57 d) pH = 4.17

Edgar Velasquez Lim asked Sep 16, 2024

by Edgar Velasquez Lim

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82.8k views

N2O5 is an example of binary ionic compound true or false

Gfan asked Sep 16, 2024

by Gfan

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220k views

What is the percent by volume of 65 ml muriatic acid dissolved in 150ml water? A) 30% B) 40% C) 50% D) 60%

Saenic asked Sep 16, 2024

by Saenic

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1 vote

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Carbon-14 has a half-life of 5,730 years. The sample weighs 120 grams.a. How many years would it take for % of the original amount of carbon-14 in the sample to decay?b. After five half-lives, how many

Alex Chernyshev asked Sep 16, 2024

by Alex Chernyshev

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193k views

A wavelength of (4.653 , mu m) is observed in a hydrogen spectrum for a transition that ends in the (n_f=5) level. What was (n_i) for the initial level of the electron? a) (1) b) (2) c) (3) d) (4)

Jpishko asked Sep 16, 2024

by Jpishko

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2 votes

45.2k views

If a gas mixture has 10.0 moles of N2 and 4.00 moles of O2 and a total pressure of 2.36 atm, what is the partial pressure of O2?

IgorGIS asked Sep 16, 2024

by IgorGIS

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Answer the following questions related to H2O. Substance ΔG°f at 298K(kJ/mol) H2O(l) −237.2 H2O(g) −228.4 (a) Using the information in the table above, determine the value of ΔG° at 298K for the process

Chilliq asked Sep 16, 2024

by Chilliq

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3 votes

44.5k views

Write the comoplete ionic equation for the reaction between lead perchlorate and sodium sulfide

Dinesh Rajan asked Sep 16, 2024

by Dinesh Rajan

8.1k points

1 answer

4 votes

51.7k views

Are all anions non metals

Unirgy asked Sep 16, 2024

by Unirgy

8.2k points

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4 votes

126k views

Sam needs a 20% acid solution, but she has only an 18% solution and a 25% solution. She decides to use 100 ml of the 18% solution, and she needs to know how much of the 25% solution she should add. The

Andrelrms asked Sep 16, 2024

by Andrelrms

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1 vote

232k views

Identify which of the five areas of chemistry best fits the action done by Robert, a chemist. Robert is researching the chemical reactions that take place during the digestion of certain foods.

Felixhummel asked Sep 16, 2024

by Felixhummel

8.3k points

1 answer

2 votes

121k views

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