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The density of a substance generally decreases as the temperature increases. Which of the following is true based on this statement? A. This is true for all substances. B. This is true except in the case

Collin Dauphinee asked Dec 15, 2024

by Collin Dauphinee

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The average…………. temperature of the substance. of the particles in a substance depends on the

Srinivas Ch asked Dec 15, 2024

by Srinivas Ch

7.9k points

1 answer

1 vote

153k views

The normal melting point of H2O is 273.15 K and Î"fusHm = 6010 J mol-1. Calculate the change in the normal freezing point at 200 and 400 bar, assuming that the density of the liquid and solid phases remains

Garrettmurray asked Dec 15, 2024

by Garrettmurray

8.2k points

1 answer

0 votes

181k views

What is the Stock name for chromic ion? a. chromium(I) ion b. chromium(II) ion c. chromium(III) ion d. chromium(IV) ion

Shimy asked Dec 15, 2024

by Shimy

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1 answer

3 votes

181k views

Based on the equation below, which of the following statements best describes what should be observed as the reaction takes place? Zn(s) + 2HCl (14) → ZnCl₂(aw) + H₂(g) A)Bubbles forming from hydrogen

Adam Wagner asked Dec 15, 2024

by Adam Wagner

7.8k points

1 answer

5 votes

224k views

Wines from the Appellation "Champagne" have to be matured and commercialised in the same bottle in which it has made the second fermentation to create the bubbles. Which formats are exception to this rule?

Tanveer Uddin asked Dec 15, 2024

by Tanveer Uddin

8.3k points

1 answer

3 votes

106k views

This homework problem focusses on a low-cost, high-performance, chemical extraction unit: a drip coffee maker (shown in the figure). The ingredients are water, coffee solubles (CS) and coffee grounds (CG).

Neil Albrock asked Dec 15, 2024

by Neil Albrock

8.6k points

1 answer

4 votes

112k views

How many moles of CH3CH2OH are contained in 548 mL of 0.0788 M CH3CH2OH? A) 0.0433 moles B) 0.0256 moles C) 0.0619 moles D) 0.0972 moles

Tjugg asked Dec 15, 2024

by Tjugg

8.3k points

1 answer

1 vote

39.2k views

What are the best dopants that are added to silicon as a means of creating a quality semiconductor? Elements with the same number of valence electrons as silicon. Elements that are radioactive. Elements

Shandel asked Dec 15, 2024

by Shandel

7.7k points

2 answers

3 votes

225k views

How many carbon atoms are contained in each of the following number of moles? Round each of your answers to the nearest whole number. a. 1 mole b. 1.5 moles c. 2 moles d. 2.5 moles

Mxmissile asked Dec 15, 2024

by Mxmissile

7.7k points

1 answer

2 votes

90.8k views

What is the equilibrium constant for the reaction (N_2(g) + O_2(g) rightarrow 2NO(g))? [K_{eq} = {[NO]^2}/{[N_2][O_2]}]

Chivas asked Dec 15, 2024

by Chivas

8.3k points

1 answer

2 votes

128k views

explain why the following ground state elec- tron configurations are not possible: (a) 1s22s32p3 (b) 1s22s22p33s6 (c) 1s22s22p73s23p8 (d) 1s22s22p63s23p14s23d14

Floatingpurr asked Dec 15, 2024

by Floatingpurr

7.0k points

1 answer

0 votes

173k views

24. Balance the following equation: ΤΟ on O He о je но Li He He

Daniel Wedlund asked Dec 15, 2024

by Daniel Wedlund

8.6k points

1 answer

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177k views

Explain the X-S-X bond angles for the series of compounds SF₄, SCl₄, and SBr₄. a) SF₄: 109.5°, SCl₄: <109.5°, SBr₄: >109.5° b) SF₄: <109.5°, SCl₄: 109.5°, SBr₄: >109.5° c) SF₄: >109.5°, SCl₄: <109.5°, SBr₄: 109.5° d) SF₄: >109.5°, SCl₄: >109.5°, SBr₄: >109.5°

Kvaruni asked Dec 15, 2024

by Kvaruni

8.0k points

2 answers

2 votes

115k views

Which of the following would be exempt from a supplier label and a MSDS? a) 5 gallon container of bleach b) 55 gallon drum of nitric acid c) 4 litre tin of paint d) 4 litre can of water

Rajkumar Singh asked Dec 15, 2024

by Rajkumar Singh

8.3k points

1 answer

1 vote

214k views

Select the structure corresponding to trans-3-octene. a) A skeletal model with line segments that go down, up, down, up, run flat in a double bond, go down, and go up. b) A skeletal model with line segments

Smt asked Dec 15, 2024

by Smt

8.7k points

1 answer

3 votes

222k views

A company wants to test a new dog food that is supposed to help overweight dog lose weight 50 dog are chosen to get the new food 50 more continue their normal diets after month the dog are checked to see

H Sampat asked Dec 15, 2024

by H Sampat

8.4k points

1 answer

1 vote

8.6k views

Distribute and simplify these radicals. IE-1V5 4 2+215 O 4 O6

Johan Nilsson asked Dec 15, 2024

by Johan Nilsson

7.9k points

1 answer

0 votes

2.2k views

Desribe a chemical test to distinguish hexane from hexene.

Uberrebu asked Dec 15, 2024

by Uberrebu

7.4k points

1 answer

4 votes

88.7k views

What happens to phosphorus levels when calcium levels are decreased? a. Phosphorus levels increase b. Phosphorus levels decrease c. No change in phosphorus levels d. Phosphorus levels fluctuate

Mikemaccana asked Dec 15, 2024

by Mikemaccana

7.9k points

1 answer

4 votes

207k views

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