Questions by Bfcm

Questions by Bfcm

Consider the reaction: H₂g)+1/2O₂ (g)→H₂O(l); ΔH = -285.84 kJ/mol. How many grams of hydrogen gas are needed to produce 975 kJ of heat?

asked Oct 24, 2024

1 answer

2 votes

200k views

( –5g – 6) – (4g – 1)

asked Jun 19, 2024

1 answer

2 votes

109k views

ANSWER FOR 50 POINTS It is a statement that contradicts one's claim and usually proven and supported by both reasons and evidence Responses Counterclaim Reason Evidence Claim

asked Apr 26, 2024

2 answers

0 votes

27.5k views

Who was an important leader of the Protestant forces during the war and perished on the battlefield in 1632? A. Oliver Cromwell B. Gustavus Adolphus C. Philip II of Spain D. Henry IV of France

asked Apr 17, 2024

1 answer

4 votes

229k views

Peter scores 125 marks in a test and it is equivalent to 31.25%.what is the total mark for the test?

asked Oct 20, 2023

1 answer

1 vote

83.4k views

Work out the area of the shape

asked Sep 3, 2023

1 answer

20 votes

142k views

HELP ME, IT'S AN EMERGENCY

asked Aug 11, 2023

1 answer

1 vote

125k views

the interior angles of a regular polygon each measures 165 degrees. how many sides does the polygon have

asked Jul 12, 2023

1 answer

5 votes

42.5k views

A smart phone costs $149.99 before tax. The tax on the smart phone is 7%. What is the total cost of the smart phone? Round your answer to the nearest cent A$9.90 B$29.69 C$35.49 D$49.49

asked Feb 25, 2023

2 answers

1 vote

161k views

Sort the cards with there identical matches.

asked Jan 24, 2023

1 answer

18 votes

28.9k views

How much of his paycheck should Trevor put towards his trip savings

asked Jan 8, 2023

2 answers

18 votes

41.8k views

A circle has a circumference of 28 centimeters. If an arc subtends a central angle of 55 degrees, what is the arc length? A.4.28 centimeters B.26.88 centimeters C.53.76 centimeters D.8.56 centimeters

asked Oct 14, 2022

1 answer

0 votes

85.4k views

Pls I need your help in finding this math problem

asked Sep 7, 2022

1 answer

1 vote

17.4k views

Y=3x-5 please help ASAP

asked Aug 17, 2022

1 answer

5 votes

124k views

What is the percent composition of silicon dioxide, SiO2 ? (Atomic masses : O = 16 . 0 Si =28 .1

asked Jul 9, 2022

1 answer

15 votes

113k views

Describe an example of technical writing that you have recently written or encountered at work, home, or school. Describe the characteristics that identify it as technical writing. Using the example you

asked Jun 19, 2022

1 answer

1 vote

169k views

Trên tập hợp số thực cho quan hệ tương đương T như sau: m, n : mTn ⇔ m^3-n^3= m-n . Tìm lớp tương đương của 0 và lớp tương đương của 2021

asked May 18, 2022

1 answer

1 vote

104k views

Identify the infinitive phrase in the following sentence. The new student was the first one to volunteer for the newly formed photography club. Group of answer choices photography club was the first newly

asked May 1, 2022

1 answer

2 votes

3.3k views

Lucille is finding it difficult to play soccer after school. Her doctor thinks that her cells might not be getting enough oxygen. When Lucille talked about it with a friend, her friend said there might

asked Apr 9, 2022

1 answer

4 votes

68.4k views

Which series lists particles in order from smallest to greatest mass? electron, nucleus, proton, atom nucleus, electron, proton, atom electron, proton, nucleus, atom proton, electron, nucleus, atom HELPPPPPPPPPPP

asked Dec 16, 2021

1 answer

0 votes

178k views

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