Questions by Changzhi

Questions by Changzhi

2H2O2 → 2H2O+O2+196.6 kj. Hydrogen peroxide decomposes according to the reaction above. How much heat is released during the reaction when 5.0 moles of H2O2 decompose?

asked Nov 25, 2023

2 answers

0 votes

19.3k views

I need help on the second question that has the title congruent segments please.

asked Aug 24, 2023

1 answer

5 votes

149k views

If m 15 points. Thanks :)

asked Jun 24, 2023

1 answer

3 votes

194k views

List the angles in order from the smallest of the large

asked Apr 3, 2023

1 answer

5 votes

1.9k views

Identify the types of motion a) The movement of a snail on the ground b) The strings of the guitar c) The whirling of stone tied with a thread

asked Oct 14, 2022

1 answer

5 votes

134k views

What is a computer?

asked Sep 27, 2022

1 answer

0 votes

160k views

In the figure below,two lines are parallel and m < 1 =83°. Find all other angles

asked Sep 13, 2022

1 answer

17 votes

127k views

Why is 2(x+9) + 4x an expression and not an equation?

asked Jun 15, 2022

1 answer

2 votes

90.4k views

I'm begging you. Please help me. Its 12:23 at night and these are the last problems. I am BEGGING you. PLEASE don't steal these points, or put in a fake link.

asked Apr 22, 2022

1 answer

2 votes

2.2k views

Llene el espacio en blanco con la palabra más lógica. No necesito en mi celular. Preferiría algo básico y barato. O A. su código de área B. un teléfono sin acceso al Internet O C. Internet móvil D. la

asked Mar 22, 2022

2 answers

1 vote

223k views

Explain how geology and climate have affected the upland landscapes in the UK

asked Feb 24, 2022

1 answer

5 votes

67.3k views

The __________ separates the Piedmont region from the Coastal Plain. Fall Line Blue Ridge Okefenokee Appalachian

asked Nov 27, 2021

2 answers

4 votes

141k views

Rewrite in a slope-intercept form and graph

asked Nov 13, 2021

1 answer

3 votes

156k views

The average titration volume of the 0.09876 M NaOH used in back titration is 29.59 ml. Calculate the number of mmoles of HCl in the 250 ml volumetric flask.

asked Nov 8, 2021

1 answer

4 votes

223k views

There are 36 boys for every 24 girls (36 : 24 ratio)

asked Oct 17, 2021

2 answers

4 votes

139k views

Which statement explains why a short eyeball causes farsightedness? O The rays of light focus directly on the retina. O The rays of light focus beyond the retina. O The rays of light focus next to the

asked Oct 11, 2021

1 answer

4 votes

119k views

What is enzyme and what is it role in a reaction

asked Oct 5, 2021

1 answer

3 votes

57.4k views

Solve logx = 6.4 by changing it to exponential form. a. X= 6.4 b. X= 6.4^10 c. X=-64 d. x= 10^6.4 answer is D

asked Jul 14, 2021

1 answer

3 votes

51.8k views

The declaration of independence reflects the principle of

asked Jun 3, 2021

1 answer

2 votes

108k views

Which organelle is responsible for packaging and sending out proteins to their proper destinations? Choose 1 answer: Lysosome Golgi body С Mitochondria D Nucleus

asked May 21, 2021

1 answer

1 vote

128k views

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