25,963 Answered Questions for the topic chemistry

Chemistry

11/16/24

Can someone please help me?
Using the balanced chemical equation: H2 + Cl2 → 2HCl How many grams of hydrochloric acid (HCl) are produced from 9.5 g of hydrogen (H2) reacting with excess chlorine?
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Chemistry

11/14/24

Chemistry Volume and Pressure
The valve between a 5 L tank containing a gas at 9 atm and a 10 L tank containing a gas at 6 atm is opened. Calculate the final pressure in the tanks.
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Chemistry

11/10/24

How do you balance chemical equations?
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Chemistry Science

11/09/24

The Moles and The Avogadro Constant
Another large-scale industrial process is the production of quicklime (calcium oxide, CaO) from limestone by heating in a lime kiln. a. What is the equation for the thermal decomposition of... more
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11/06/24

Hess' Law & Calorimetry

If 3.000 g of iron metal are reacted in a calorimeter with a heat capacity of 350.0 J/°C, what would be the final temperature of the calorimeter if its initial temperature were 20.0°C?
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Chemistry

11/06/24

Chemical kinetics

A reaction container initially contains 225.0ml of a 0.200M AB solution, which reacts to from the gaseous products. The products are collected over water at 22.0c. Determine the amount of time... more
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Chemistry

11/06/24

The mechanism for the reaction described the equation

Where A is CH3NC, M is any gas molecule A is an energized gas molecule and B is CH3CN. Assuming that A is governed by steady state conditions derive the rate law for the production of CH3CN in... more
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Chemistry

11/05/24

Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction.
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Chemistry Organic Chemistry

11/03/24

Confirming the structure of (2R)-2,3-Dihydroxypropanal
Is it correct to say that the (2R) in (2R)-2,3-dihydroxypropanal signifies that, in the drawn structure, the Hydrogen (H) and and Hydroxide (OH) are connected to the chiral carbon by solid wedges?
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Chemistry Organic Chemistry

11/03/24

Predict the product(s) of the reaction shown.
I is not the correct answer.Options: IV I III and IV III I and II
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Chemistry Organic Chemistry

11/03/24

What is/are the predicted product(s) for the SN1 reaction shown?
Answer II is not correct.
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Chemistry Organic Chemistry

11/03/24

Draw the major product of the reaction shown.
IV is not the correct answer.
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Chemistry Organic Chemistry

11/02/24

What is the predicted product of the reaction shown?
The answer is not I
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Chemistry Organic Chemistry

11/02/24

What would be the best base for performing the elimination reaction shown?
KOC(CH3)3 is not the correct answer. Is it the least bulkiest base KOCH3 that would be best?
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Chemistry

11/01/24

Calculate the energy (in Joules) of a single photon of blue light with a frequency of 6.10 × 10¹⁴ Hz. (h = 6.626 × 10⁻³⁴ J • s)
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Chemistry

10/31/24

Which of the metals (A, B, C, and D) has the highest ionization tendency (highest tendency to form an ions or to be oxidized) and lowest ionization tendency? Explain your answer.
RECORD:Electrodes: Positive (P) and Negative (N)A & B: Positive: A, Negative: BA & C: Positive: A, Negative: CA & D: Positive: D, Negative: AB & C: Positive: C, Negative: BB &... more
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Chemistry

10/31/24

Chemistry-temperature
A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. The vessel is a stainless-steel cylinder that measures 19.0 cm wide and 22.8cm... more
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Chemistry

10/30/24

calculate the mass of a liquid with a density of 2.5g/ml and a volume of 15ml
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Chemistry Organic Chemistry

10/30/24

Structure for (R)-secbutyl benzothioate
Please assist on how to draw the structure for (R)-sec-butyl benzothioate
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Chemistry

10/30/24

calorometer constant
Assume you produce 2 moles of water in the neutralization reaction of HCl and NaOH with a temperature increase of 5 degrees. What is your calorimeter constant?
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Chemistry Organic Chemistry

10/29/24

Please assist in drawing products for given reactions
Please help in naming the resulting products for the reactions in the given image:https://ibb.co/SNskKg5
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Chemistry

10/27/24

The following is a diagram of energy states and transitions in the hydrogen atom.
Match each arrow with the correct response below.A) The emission line with the shortest wavelength.B) The absorption line with the shortest wavelength.C) The emission line with the highest... more
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Chemistry

10/23/24

The temperature outside is 31 ∘C , and the air pressure is 0.700 atm

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Chemistry

10/23/24

describe the percent error for your molecular weight of citric acid.
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Chemistry

10/21/24

Balance the equation below and determine the mass in grams Li needed to produce 11.35g of Li3N. 6Li +N2 → 2Li3N
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