Which has a larger atomic radius Be or Ba

Answers

Answer 1

Answer: Ba has the larger atomic radius

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How many moles of oxygen react with hydrogen to produce 22.8 mol of H2O? The balanced equation is as follows: 2H2 + O2 → 2H2OHow many grams of CO2 are produced if 35.48 mol of HCl are reacted according to this balanced chemical equation? CaCO3 + 2HCl → CaCl2 + CO2 + H2O

Answers

2H₂ + O₂ → 2H₂O
$(22.8 mol H2O)/(1)$ * $(1mol O2)/(2 mol H2O)$ =
11.4 mols O₂

CaCO₃ + 2HCl → CaCl₂ + CO₂ + H₂O
$(35.48molHCl)/(1) * (1 mol CO2)/(2 mol HCl) * (44.01 grams CO2)/(1 mol CO2)$ =
780.7 grams CO₂

hope this helped!

An atom has 8 electrons and a mass of 17. What would the correct symbol be?A. 17gF
B. 90
C. 25,61
D. 17,0

Answers

I believe the answer is A.

Why do frogs have such small cerebrum?

Answers

The cerebrum is part of the brain that controls the functions of the voluntary activity in the body. If an organism is smaller than another organism, for this case a frog and a rabbit. It means that the frog and the processes inside that body are less complex. Thus, the cerebrum do not need to be bigger than the cerebrum of a bigger organism.

if you were designing a pot to cook spaghetti in , which parts would you make from good conductors of heat ? which parts would you make from insulators ? explain your answer.

Answers

you would use materials such as metal or iron becuase materials such as metal and iron attract heat and allows heat to pass through meanwhile other materials such as wood would not allow heat to pass

you would make the part the spaghetti goes in with conductors && you would make the handle with insulators.

Which of the following is not a negative consequence of upward urban growth?a. pollution
b. creation of a "heat island"
increased use of surrounding land
d. waste management issues
C.
Please select the best answer from the choices provided
A
B
С
D

Answers

Answer:

D. Waste management issues

Explanation:

Answer A: The five major types of pollution - water pollution, air pollution, land pollution, light pollution, noise pollution - have negative effects on the environment, on human health, and our planet as a whole.

Answer B: Urban Heat Island (UHI) is an urban area that is significantly warmer than its surrounding rural areas due to human activities. UHI decreases air quality.

Answer C: The increased use of surrounding land is the main cause of biodiversity loss.

Answer D: Any field of environmental management help people to solve pollution problems. So, D is the correct answer.

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Hope this answer can help you. Have a nice day!

Answer:

C. increased use of surrounding land

Explanation:

Edge2021

Explain how kidneys remove waste from the body and keep fluids and salts in balance

Answers

The fluid levels in the body must be balanced and a normal blood pressure must be maintained. An area in the brain, the hypothalamus, constantly watches the amount of water in the blood. When the brain discovers too much water in the blood, the hypothalamus releases a less amount of a specific hormone. This lets the kidneys know to return less water to the blood and to increase the quantity of urine that is excreted.

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#11.) When iron rusts in air, iron(III) oxide is produced. How many moles of oxygen react with 77.4 mol of iron in the rusting reaction?4Fe(s) + 3O2(g) → 2Fe2O3(s)Select one:a. 58b. 100c. 77d. 120#13.) For the reaction CH4 + 2O2 → CO2 + 2H2O, how many moles of carbon dioxide are produced from the combustion of 161.0 g of methane?Select one:a. 10.03b. 20.06c. 2584d. 3.351