Recent questions in Chemistry

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A 53 mL sample of water at an initial temperature of 41°C cooled down to a final temperature of 9°C. What is the amount of heat energy lost by the water? The specific heat of water is 4.184 J/g°C.

Liam Fleming asked Dec 28, 2023

by Liam Fleming

2.9k points

1 answer

5 votes

55.4k views

Science edpuzzle All of the following describe a chemical change, EXCEPT…

Sergei Bubenshchikov asked Dec 28, 2023

by Sergei Bubenshchikov

3.2k points

1 answer

14 votes

59.1k views

Here "outstanding" means. a. ordinary. b. banal. c. acquainted. d. prominent. please help me answer this!

Paul Tarjan asked Dec 28, 2023

by Paul Tarjan

3.3k points

1 answer

36 votes

264k views

why do you want a polar aprotic environment for an sn2 reaction and a polar protic environment for an sn1 reaction

Puug asked Dec 28, 2023

by Puug

2.7k points

1 answer

22 votes

504k views

Which of the following describes a physical property?Corrosiveness of sodiumToxcity of cadmiumWater when heated forms steamFlammability of hydrogen

Jcg asked Dec 28, 2023

by Jcg

3.1k points

1 answer

16 votes

390k views

Select the correct locations on the periodic table. Which two elements have similar characteristics?

Ijoseph asked Dec 28, 2023

by Ijoseph

2.9k points

2 answers

17 votes

51.2k views

Is this right? How to write potassium chloride plus sodium chloride?

Ashley Swatton asked Dec 28, 2023

by Ashley Swatton

3.1k points

1 answer

43 votes

26.4k views

What change would shift the equilibrium system to the left? A(g) + B(s) + Energy ⇌ 3C(g) (3 points) Adding more of gas C to the system Heating the system Increasing the volume Removing some of gas C from

DanielRead asked Dec 28, 2023

by DanielRead

2.8k points

1 answer

30 votes

513k views

What natural law is the carbon cycle an example of?

Criss asked Dec 28, 2023

by Criss

2.7k points

1 answer

39 votes

490k views

2 H2 + O2 2 H2O a. What are the reactants? b. What is the product? c. Is the reaction balanced? d. Write the "word equation" that you would use to describe this reaction.

Matt Dnv asked Dec 28, 2023

by Matt Dnv

2.7k points

1 answer

32 votes

11.7k views

What's Percentage of Earth's surface covered by water:???%

Mmutilva asked Dec 28, 2023

by Mmutilva

3.1k points

1 answer

36 votes

226k views

Look at each of the following pairs of elements. Would these pairs combine to form ionic bonds? Explain each case. a) Mg, Ob) Zn, Clc) C, Fd) P, Na

Oleh Sobchuk asked Dec 28, 2023

by Oleh Sobchuk

3.2k points

1 answer

39 votes

188k views

A pharmacist need 0.00655 mol of bilirubin (C33H36N4O6) for an experiment how many grams of bilirubin will that be?

Thanatos asked Dec 28, 2023

by Thanatos

2.5k points

1 answer

31 votes

19.5k views

2. Which was the independent variable in the experiment below? * 3 points A. Amount of light B. Soil type C. Temperature D. Health of plant

Tolgay Toklar asked Dec 28, 2023

by Tolgay Toklar

2.3k points

1 answer

21 votes

399k views

Write one sentence defining elements and one sentence defining compounds.

Ratish Bansal asked Dec 28, 2023

by Ratish Bansal

2.5k points

2 answers

3 votes

78.8k views

if aluminum nitrate and sodium hydroxide are reacted, what is the resultant clear jelly-like precipitate that forms but disappears as more reagent is added?

Swinkaran asked Dec 28, 2023

by Swinkaran

3.1k points

1 answer

11 votes

223k views

How to write 21,000,000 in scientific notation ____ x 10 blank

Pdudits asked Dec 28, 2023

by Pdudits

2.6k points

1 answer

2 votes

16.5k views

How does kinetic sand stay together?

Afollestad asked Dec 28, 2023

by Afollestad

2.7k points

1 answer

24 votes

161k views

Water is considered to have ________ because breaking hydrogen bonds takes lot of energy.

Yasir Khan asked Dec 28, 2023

by Yasir Khan

2.6k points

1 answer

9 votes

126k views

Calculate the percent composition of hydrogen in C8H9NO2.

Dogger asked Dec 27, 2023

by Dogger

2.6k points

1 answer

21 votes

444k views

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