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Why did Poly Styrene wear plastic bags?

Wonay asked Dec 16, 2024

by Wonay

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Identify the strong acid. 1) hydrochloric acid 2) milk of magnesia 3) soap water

Barak Schiller asked Dec 16, 2024

by Barak Schiller

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Explain the reactions between amines and acyl chlorides.

Steve Yost asked Dec 16, 2024

by Steve Yost

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1 2 3 4 5 6 7 8 9 10 TIME REMAINING 55:38 Kenny made a chart to summarize two ways of protecting biodiversity. Protecting Biodiversity X Y has the goal of releasing animals into the wild often occurs in

Wagner Moreira asked Dec 16, 2024

by Wagner Moreira

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naphthalene sublimes easily, but potassium bromide does not. How could you seperate these two substances?

Soumik Bhattacharjee asked Dec 16, 2024

by Soumik Bhattacharjee

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1 answer

0 votes

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When determining if a substance has undergone a chemical change, there are signs to help determine if this has occurred. Which of the following is NOT a typical sign of a chemical change? a) Change in

McLeopold asked Dec 16, 2024

by McLeopold

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2 votes

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Calculate the pH after 0.15 mole of solid NaOH is added to 1.00L of each of the following solutions: a. 0.050M propanic acid(HC₃H₅O₂, Kₐ = 1.3 x 10⁻⁵) and 0.080M sodium propanoate

Oleg Sokolov asked Dec 16, 2024

by Oleg Sokolov

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1 answer

1 vote

152k views

One of the greatest expenses involved with the use of hazardous materials in industry is the _____. Options: Option 1: Cost of safe disposal Option 2: Price of raw materials Option 3: Cost of use permits

Enle Lin asked Dec 16, 2024

by Enle Lin

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1 answer

5 votes

127k views

Fill in the coefficients that will balance the following reaction: (Note: Use 1 as coefficient where appropriate.) C_3H,OH + CO, + H_20 A. C_3H_8OH + 5 CO + 7 H_2O B. C_3H_8OH + 2 CO + 4 H_2O C. C_3H_8OH

Rafael Augusto asked Dec 16, 2024

by Rafael Augusto

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1 answer

5 votes

91.8k views

How to know which halide has the strongest trans effect? A. Atomic Number B. Molecular Weight C. Atomic Radius D. Bond Strength

Wishmaster asked Dec 16, 2024

by Wishmaster

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1 answer

3 votes

207k views

How many neutrons are in the nucleus of fluorine with an atomic mass of 19? A) 9 B) 10 C) 11 D) 19

RamaKrishna Chunduri asked Dec 16, 2024

by RamaKrishna Chunduri

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1 answer

1 vote

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Fast food is not good for health compose a story 150 word

Corey McKinnon asked Dec 16, 2024

by Corey McKinnon

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3 votes

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How do the relative stabilities of carbon radicals rank?

Tushar Niras asked Dec 16, 2024

by Tushar Niras

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5 votes

197k views

Introductory physics An element with an atomic number of 88 goes through alpha decay. What is it's atomic number now?

Sahil M asked Dec 16, 2024

by Sahil M

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1 answer

0 votes

102k views

Which of the following metals has a carbon content between 2% and 4%? a. Iron b. Aluminum c. Mild steel d. Cast iron

Risav Karna asked Dec 16, 2024

by Risav Karna

8.1k points

1 answer

2 votes

34.4k views

11. The pH values of some solutions are given below pH 14.0 1.0 L 8.0 N 6.5 n P 7.0 Solution M Z (a) Identify the solution with the lowest concentration of hydrogen ion. Give reason for your (1mk) answer

Raindog asked Dec 16, 2024

by Raindog

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1 answer

4 votes

27.2k views

If 4-methylpentene reacts according to the following sequence of steps:

Parthiban Soundram asked Dec 16, 2024

by Parthiban Soundram

9.2k points

1 answer

1 vote

113k views

Calculate number of moles of hydrogen in 0.448 litre of hydrogen gas at stp

Michael Hirschler asked Dec 16, 2024

by Michael Hirschler

7.2k points

1 answer

2 votes

122k views

Using the information given below, calculate ΔHrxn for WO₃(s) + 3H₂(g) => W(s) + 3H₂O(g) 2W(s) + 3O₂(g) => 2WO₃(s) ΔH = -1685 kJ 2H₂(g) + O₂(g) => 2H₂O(g) ΔH = -477.84 kJ A. -252.9 kJ B. 252.9 kJ C. 125.

Isitea asked Dec 16, 2024

by Isitea

7.9k points

1 answer

2 votes

34.5k views

IDENTIFY 3 ISOTOPES OF ELEMENTS THAT HAVE THE SAME NUMBER OF NEUTRONS AS CARBON-14.

Onessa asked Dec 16, 2024

by Onessa

7.6k points

1 answer

3 votes

6.4k views

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