Recent questions in Chemistry

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The primary result of carbon monoxide poisoning is _________. 1) hypoxia 2) hypercapnia 3) hypertension 4) metabolic acidosis

Polyclef asked Oct 9, 2024

by Polyclef

8.2k points

1 answer

3 votes

51.4k views

What type of matter does coffee represent?

Jiali asked Oct 9, 2024

by Jiali

7.8k points

1 answer

5 votes

216k views

If pH of a solution is too low, a(n) _______(acid or base) can be added as a buffer to ______(raise or lower) pH.

GuybrushThreepwood asked Oct 9, 2024

by GuybrushThreepwood

8.3k points

1 answer

2 votes

106k views

......... ........ .......

Sergey Metlov asked Oct 9, 2024

by Sergey Metlov

8.1k points

2 answers

3 votes

91.6k views

Protons are positive, while electrons are negative. Carbon has a neutral charge. If carbon has six electrons, how many protons does it have? Explain. a) 6 protons b) 12 protons c) 6 electrons d) 0 protons

Verthon asked Oct 9, 2024

by Verthon

7.9k points

1 answer

4 votes

92.1k views

How many moles of a gas occupy 647.8 mL, at 5.329 x 10^-1 atm and 35.00 °C?

Maksim Tikhonov asked Oct 9, 2024

by Maksim Tikhonov

7.8k points

1 answer

1 vote

143k views

Elements on the right side of the periodic table differ from the elements on the left side in that the elements on the right side A) are good electrical conductors. B) generally have very high densities.

KannarKK asked Oct 9, 2024

by KannarKK

7.9k points

1 answer

4 votes

134k views

What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? a) 7.00 b) 5.00 c) 9.00 d) 8.23

Patthebug asked Oct 9, 2024

by Patthebug

8.3k points

1 answer

3 votes

146k views

Sn = (n − 1)² +1. What does Sn equal?

Daniel Kelley asked Oct 9, 2024

by Daniel Kelley

7.5k points

1 answer

4 votes

207k views

A dextrose solution with a mass of 200 g has 15.8g of dextrose dissolved in it what is the mass/mass percent concentration of the solution

Sandeep Mohanty asked Oct 9, 2024

by Sandeep Mohanty

7.8k points

1 answer

4 votes

50.6k views

what form of energy does the fusion reaction produce, and what will be the ultimate form of energy we use from the fusion?

Tarun Mathur asked Oct 9, 2024

by Tarun Mathur

8.2k points

1 answer

4 votes

1.7k views

What is the trend for ionization energy across a period and down a group? Explain this trend in terms of attraction and repulsion. a) Ionization energy increases across a period and decreases down a group

Pravin Junnarkar asked Oct 9, 2024

by Pravin Junnarkar

8.0k points

1 answer

1 vote

98.5k views

think about an example of a structure it could be anything what changes could you make to make this structure more stable

Finks asked Oct 9, 2024

by Finks

7.5k points

2 answers

2 votes

160k views

Which statement BEST explains why baking a cake is evidence of a chemical reaction? A The state of matter of some of the ingredients changed while being cooked. The total mass of the ingredients was the

Quangdao Nguyen asked Oct 9, 2024

by Quangdao Nguyen

7.8k points

1 answer

1 vote

32.2k views

A welding torch requires 7980.3 L of ethylene gas at 0.96 atm. What will be the pressure of the gas if ethylene is supplied by a 58.1 L tank? a) 133 atm b) 0.00699 atm c) 483e5 atm d) 198 atm

Yuchen Zhou asked Oct 9, 2024

by Yuchen Zhou

8.7k points

1 answer

3 votes

137k views

A sodium ion has 11 protons, how many electrons does a Na- ion have?

IrfanRaza asked Oct 9, 2024

by IrfanRaza

8.1k points

1 answer

5 votes

195k views

Which of the following statements is correct? A. An increased demand for energy leads to an increased depletion of resources and detrimental environmental risks. B. An increased demand for resources leads

Jonrsharpe asked Oct 9, 2024

by Jonrsharpe

8.7k points

1 answer

3 votes

105k views

A fluidised bed roaster, designed to treat 1000 tons/day of concentrates is currently working at 7.5?

Comtaler asked Oct 9, 2024

by Comtaler

7.5k points

1 answer

4 votes

75.9k views

What is formed when CO2 is added to water? Write both the name and the formula.

Dbslone asked Oct 9, 2024

by Dbslone

8.1k points

1 answer

1 vote

215k views

Which of the following is a potential temperature change when 190.0 calories of heat are applied to a 125 gram sample of a metal with a heat capacity of 0.0562 cal/g oC? a) 1.214 oC b) 11.335 oC c) 15.

SkunkSpinner asked Oct 9, 2024

by SkunkSpinner

6.9k points

1 answer

5 votes

75.9k views

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