Recent questions in Chemistry

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Triangle opq is dilated by a scale factor of 3/4 to form triangle o'p'q'. What is the measure of side o'p'?

Vikram Jeet Singh asked Dec 23, 2024

by Vikram Jeet Singh

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1 vote

209k views

At what absolute temperature do the Celsius and Fahrenheit temperature scales give the same numerical value? What is the value?

Cheney asked Dec 23, 2024

by Cheney

7.8k points

1 answer

4 votes

137k views

(iii) The filtrate was an alkaline solution of potassium carbonate. This was titrated against a standard hydrochloric acid solution to find the concentration of the potassium carbonate. K₂CO₂ + 2HC1 2KCI+

THess asked Dec 23, 2024

by THess

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1 answer

2 votes

231k views

Find the unit rates. If necessary, round your answers to the nearest hundredth. $8.19 for 8 liters?

Praval Sharma asked Dec 23, 2024

by Praval Sharma

7.2k points

1 answer

2 votes

162k views

What's the concentration of a solution formed by diluting 30.0mL of a 3.2 M NaCl solution to 192.0mL?

Twogoods asked Dec 23, 2024

by Twogoods

7.3k points

1 answer

0 votes

191k views

HELP ASAP!!! 4. The ions of some elements have several possible positive oxidation states. In the IUPAC naming system, the names of these positive ions are followed by a Roman numeral, which is used to

Sulav Timsina asked Dec 23, 2024

by Sulav Timsina

7.9k points

1 answer

5 votes

213k views

Three elements from the periodic table whose symbols are not made up from letters of the element's name. Reasearch why the chemical symbol for the element was selected. Summarize your findings in a table

Claudio asked Dec 23, 2024

by Claudio

7.4k points

1 answer

2 votes

229k views

Which of the following is an amphoteric species? 1) H₂So3 2) hso3- 3) SO₃²⁻

Christianna asked Dec 23, 2024

by Christianna

7.1k points

1 answer

5 votes

222k views

Which element is classified as a noble gas? CI Xe Mark this and return Save and Exit Next

Twedl asked Dec 23, 2024

by Twedl

8.3k points

1 answer

3 votes

168k views

The process by which rocks are broken down

Bryan Elliott asked Dec 23, 2024

by Bryan Elliott

7.2k points

1 answer

5 votes

109k views

Does Al or B have a larger atomic radius

Anuga asked Dec 23, 2024

by Anuga

7.6k points

1 answer

1 vote

166k views

In the following reaction, 20.0 g of al will react completely with 30.0 g of Br₂. 2al 3Br₂ → 2AlBr₃. What is the mass of AlBr₃ produced?

Hossein Piri asked Dec 23, 2024

by Hossein Piri

7.7k points

1 answer

5 votes

123k views

A 1-L sample of CO initially at STP is heated to 546 K, and its volume is increased to 2 L. What effect do these changes have on the number of collisions of the molecules of the gas per unit area of the

Lokesh Kumar Gaurav asked Dec 23, 2024

by Lokesh Kumar Gaurav

7.6k points

1 answer

3 votes

202k views

Mercury is a fascinating element. Of all the metal elements, mercury is the only one that is liquid at room temperature; the rest are all solid. However, mercury is also capable of existing in the solid

Hasan Bou Taam asked Dec 23, 2024

by Hasan Bou Taam

7.5k points

1 answer

5 votes

39.5k views

The area around the nucleus of an atom is where the atom's electrons are most likely to be found. a. True b. False

Bstoney asked Dec 23, 2024

by Bstoney

7.0k points

1 answer

2 votes

210k views

Use the periodic to fill in the numbers in the electron configurations shown below. B: 1s2 2sA2pB A = 2 B = 1 Na: 1s22sC2pD3sE C = D = E =

Ryan Poolos asked Dec 23, 2024

by Ryan Poolos

7.6k points

1 answer

3 votes

235k views

mixing 25.0 ml of 0.094 m nacl with 15.0 ml of 0.101 m agno3 produces a solid precipitate. calculate the mass of precipitate formed (in mg).

Vasili Syrakis asked Dec 23, 2024

by Vasili Syrakis

7.1k points

1 answer

0 votes

192k views

20. Water activity is ___? the water available to support enzyme activity о the measure of vapor pressure over pure water о measured from 1 to 3 O all of the above

Hamdy asked Dec 23, 2024

by Hamdy

6.7k points

1 answer

0 votes

98.8k views

__________________ alkyl halides and _____________ halides react the fastest in SN2 mechanisms, due to lack of ______________ ______________, where __________ alkyl halides react very slowly and _____________

Watt asked Dec 23, 2024

by Watt

7.6k points

1 answer

2 votes

162k views

If 125 cal are added to 56,0 g of solid iron, what is the change in temperature of the iron? a. The specific heat of iron b. is 0.11, c. cal d. BC

Gibron asked Dec 23, 2024

by Gibron

6.6k points

1 answer

4 votes

212k views

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