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Convert 75 miles to kilometers, 1 km = 0.62 mi. A. 121 km B. 46.5 km C. 14.5 km D. 2.69 x 10^16 km

Koralarts asked Dec 25, 2024

by Koralarts

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1 answer

4 votes

163k views

A gas sample has a volume of 150 mL when the pressure is 175 kPa. If the temperature and amount of gas remains constant, what volume will the gas sample occupy at a pressure of 120 kPa?

Toddarooski asked Dec 25, 2024

by Toddarooski

8.0k points

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1 vote

136k views

Which metal oxide will be reduced by heating with iron? A calcium oxide B lead oxide C magnesium oxide D zinc oxide

Mjollneer asked Dec 25, 2024

by Mjollneer

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4 votes

177k views

Construct the Born-Haber cycle for the dissolution of K2CO3 in water. Hint: This is not about the formation reaction. No need to start with potassium metal. The products should be hydrated K+ and hydr

Lindlof asked Dec 25, 2024

by Lindlof

8.5k points

1 answer

3 votes

4.5k views

To close the pores with the galvanic current, you would use__________-

Steve Baek asked Dec 25, 2024

by Steve Baek

9.2k points

1 answer

0 votes

28.0k views

Given 3. 82g of (NH4)2O find how many atoms of (NH4)2O

Ryan Pergent asked Dec 25, 2024

by Ryan Pergent

8.6k points

1 answer

1 vote

59.2k views

Convert a pressure of 1.75 atm to kPa and to mmHg

Chirag Shah asked Dec 25, 2024

by Chirag Shah

7.9k points

1 answer

3 votes

221k views

Calculate the standard entropy, Δ∘rxn, of the reaction at 25.0 ∘C using the table of thermodynamic properties. 3C2H2(g)⟶C6H6(l) Δ∘rxn=

Samgak asked Dec 25, 2024

by Samgak

7.8k points

1 answer

0 votes

103k views

Must be repeated verbatim to confirm accuracy.

Navin Manaswi asked Dec 25, 2024

by Navin Manaswi

7.5k points

1 answer

0 votes

207k views

Which of the following bonds is likely to have the most ionic character?

Konstantino Sparakis asked Dec 25, 2024

by Konstantino Sparakis

7.0k points

1 answer

0 votes

216k views

Which of the following symbols represent a positron? A. ^0 v1 β B. ^4 v2 He C. ^0 v-1 e D. ^0 v0 Y E. ^1 V0 β F. ^0 v1 e

ZenoArrow asked Dec 25, 2024

by ZenoArrow

8.3k points

1 answer

5 votes

66.5k views

What is the minimum number of grams of CO require produce 88 grams of CO2? A) 28 g B) 88 g C) 64 g D) 56 g

Chris Withers asked Dec 25, 2024

by Chris Withers

7.2k points

1 answer

3 votes

98.2k views

Which of the following phase changes is not spontaneous at room temperature? Assume only the first phase is initially present. A) H2O(g) → H2O(1) B) H2O(s) → H2O(g) C) H2O(s) → H2O(1) D) H2O(g) → H2O(s)

Jerska asked Dec 25, 2024

by Jerska

8.0k points

2 answers

0 votes

75.3k views

How many moles of NaN₃ must be extracted from 65 grams of N₂? a. 260 g b. 130 g c. 65 g d. 32.5 g

Iliis asked Dec 25, 2024

by Iliis

8.8k points

1 answer

3 votes

80.6k views

Which of the following is NOT true about Ions? a.) When atoms lose electrons they become negatively charged b.) When atoms gain electrons they become anions c.) Cations are positively charged ions d.)

Rdamborsky asked Dec 25, 2024

by Rdamborsky

8.7k points

1 answer

0 votes

172k views

Which best represents the in a bottle? A. 2 yards 1 gollon C. 1 pint D. 5 golions

Sarunw asked Dec 25, 2024

by Sarunw

8.1k points

1 answer

0 votes

135k views

The volume of O2 at NTP required for combustion of 1 mole of methane is a) 2 L b) 4 L c) 5 L d) 6 L

Brlcad asked Dec 25, 2024

by Brlcad

8.1k points

1 answer

5 votes

149k views

List the postulates of Dalton’s that continue to have significance (are retained in the modern atomic theory). 2

Wilhelm Kleu asked Dec 25, 2024

by Wilhelm Kleu

8.1k points

1 answer

1 vote

97.9k views

In which direction will the following reaction go if the standard reduction potentials are 0.80 V for Ag/Ag and –0.44 V for Fe/Fe2? Option 1: Ag Fe → Ag Fe2 Option 2: Ag Fe → Fe Ag2 Option 3: Fe Ag → Ag

Anuradha asked Dec 25, 2024

by Anuradha

8.7k points

2 answers

2 votes

132k views

What is the continental shelf? a) The shallow, submerged extension of a continent b) The deepest part of the ocean c) A large landmass surrounded by water d) A high mountain range

Perqin asked Dec 25, 2024

by Perqin

7.6k points

1 answer

2 votes

217k views

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