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Ezra

Questions and answers by visitors named Ezra

Questions (66)

I am a 5th grade student and my group has to research this question. I have to turn it in tomorrow and was given the assignment
1. 4 answers
2. 565 views
How many moles of ammonium ions are in 8.794g of ammonium carbonate?I got .1832 as an answer and I was told that I was very
1. 4 answers
2. 1,494 views
Calculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.Equation: Fe2O3+CO-->Fe+CO2 converted .300kg to 300g
1. 6 answers
2. 6,497 views
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A
1. 4 answers
2. 2,741 views
A particular coal contains 2.5% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The
1. 9 answers
2. 6,114 views
What is the zeff value for a valence electron in an oxygen atom?An explanation would be much appreciated.
1. 4 answers
2. 1,888 views
I was wondering if someone could explain to me how two haploid mating types can form a diploid. Also could someone explain the
1. 1 answer
2. 378 views
In the ground-state electron configuration of Fe^{3+}, how many unpaired electrons are present?An explanation would be great,
1. 3 answers
2. 1,219 views
Nitrogen & hydrogen goes react to form ammonia gas as follows:N2(g)+3H2(g)-->2NH3(g) At a certain temperature & pressure, 1.2L
1. 5 answers
2. 10,908 views
Consider the gas-phase transfer of an electron from a sodium atom to a chlorine atom:Na(g)+Cl(g)-->Na^(+)(g)+Cl^(-)(g) I was
1. 4 answers
2. 739 views
What is the maximum number of electrons in an atom that can have the following quantum numbers?n= 4 ml= -3 ms= +1/2 How would
1. 4 answers
2. 715 views
How would I go about creating a Lewis Dot structure for the Calcium Carbonate and Magnesium Hydroxide?I know how to do it for
1. 3 answers
2. 1,514 views
Which do not obey the octet rule?Check all that apply. NO BF3 ICl2^- OPBr3 XeF4 An explanation would be appreciated, thanks.
1. 5 answers
2. 3,242 views
Nitrogen and hydrogen gases react to form ammonis gas as follows:N2(g)+3H2(g)-->2NH3(g) At a certain temperature and pressure,
1. 4 answers
2. 625 views
The solubility of iron(III)hydroxide is 4.39E-10M. What is the Ksp for this compound? I don't know how I would go about this
1. 3 answers
2. 515 views
The value of Kc for the reaction below is 1.6C(s)+CO2(g)=2CO(g) What is the equilibrium concentration of CO when [CO2]=.50M? The
1. 4 answers
2. 2,244 views
Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is:C2H2(g) + 2H2(g) ===
1. 3 answers
2. 4,272 views
Find a number, delta, such that if |x-2|<delta, then |4x-8|<0.1I don't have a clue how to begin this. My teacher just started
1. 3 answers
2. 539 views
Rank the given compounds based on their relative Brønsted acidities. H-I, H-F, H-SH, H-NH2, H-CH3.I thought it correlated with
1. 3 answers
2. 1,567 views
What is the limit (as u--->2) of square root(4u+1)-3/u-2.I got 1 as an answer, but I want to check if that's right. I heard it
1. 5 answers
2. 1,686 views
A cup of hot chocolate has temperature 80 C in a room kept at 20 C.?After a half hour the hot chocolate cools to 60 C. a) what
1. 2 answers
2. 1,120 views
Why, who makes much of a miracle?As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart
1. 34 answers
2. 7,875 views
What is 0.90's 3 names like the 0.550 answer.
1. 2 answers
2. 224 views
What is the state flower of Kansas?a: the black-eyed Susan b: the sunflower (MY ANSWER) c: the gerber daisy d: the wild prairie
1. 3 answers
2. 454 views
Solve (x-1)(x+4)(3x+4)<0 algebraically using interval chart and showing your full work.
1. 1 answer
2. 244 views
Explain why an object that moves round complet circle will have angular displacement of 2pay radian but tangential displacement
1. 1 answer
2. 71 views
Choose the meaning of the bold word.The magnitude of the disaster is hard to imagine. (1 point) Responses size size pain pain
1. 17 answers
2. 150 views
2 and three-fifths minus 1 and one-fourth equals(1 point)Responses Image with alt text: Image with alt text: Image with alt
1. 5 answers
2. 38 views
dentify the word that is part of a compound predicate."The boys," as they were called, amused and delighted audiences
1. 23 answers
2. 85 views
2 and three-fifths minus 1 and one-fourth equals(1 point)Responses 1 7/20 1 2/9 1 5/20 1 1/10
1. 7 answers
2. 31 views
Frances is a photographer who lived back in 1839 and enjoyed the popularity of the daguerreotype photographic process. He had a
1. 29 answers
2. 169 views
How do hormones reach target cells?(1 point) Responses They are carried by blood. They are carried by blood. They are carried by
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2. 98 views
What does the thyroid gland control?(1 point) Responses the sugar levels in the blood the sugar levels in the blood the body’s
1. 3 answers
2. 50 views
What does the thyroid gland control?(1 point) Responses the sugar levels in the blood the sugar levels in the blood the body’s
1. 3 answers
2. 47 views
Which gland links the nervous system and the endocrine system, controls many of the pituitary gland functions, and controls the
1. 3 answers
2. 65 views
Where do endocrine glands release hormones?(1 point) Responses into tiny tubes called ducts into tiny tubes called ducts through
1. 3 answers
2. 58 views
Which term is the name for the period of sexual development during which a person becomes physically able to reproduce?(1 point)
1. 3 answers
2. 69 views
A person feels tired, gains weight, and notices changes in metabolism. Which gland could be the cause?(1 point) Responses the
1. 3 answers
2. 49 views
How do endocrine glands differ from other body glands, such as sweat glands?(1 point) Responses Endocrine glands can only affect
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2. 77 views
Which endocrine gland controls other endocrine glands?(1 point) Responses the thyroid the thyroid the ovary the ovary the
1. 3 answers
2. 54 views
Where is the pituitary gland located?(1 point) Responses behind the stomach behind the stomach on top of the kidneys on top of
1. 3 answers
2. 52 views
What is puberty?(1 point) Responses a period in early childhood when growth is very fast a period in early childhood when growth
1. 3 answers
2. 71 views
Choose the answer that best matches the word in italics.One way to save money on electricity is to replace incandescent bulbs
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2. 60 views
In “Orphans Give Indian Couple Will to Live,” Karibeeran Paramesvaran was celebrating on December 26, 2004, because(1 point)
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2. 65 views
Read the following short story, and then answer the questions that follow.Lifeguard Rules! 1 Ira was sitting in the shade
1. 3 answers
2. 138 views
Read each question carefully. Choose the best answer for each question or statement.Which of the following would be an
1. 3 answers
2. 185 views
Which of the following responses would be appropriate for the question, "Wie heißt du"?(2 points) Responses Ich wohne in
1. 3 answers
2. 57 views
Which of the following best expresses a more formal farewell?(2 points) Responses Auf Wiedersehen! Auf Wiedersehen! Tschau!
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2. 63 views
Which answer expresses that you are doing well?(2 points) Responses Es geht mir schlecht. Es geht mir schlecht. Es geht mir gut.
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ATP and photovoltaic cells are similar because(1 point)Responses they are both key components of plant cells. they are both key
1. 3 answers
2. 104 views
Which molecule is a high-energy output of the light reactions?(1 point)Responses oxygen oxygen hydrogen hydrogen ADP ADP ATP ATP
1. 3 answers
2. 49 views
In photosynthesis, light energy is(1 point)Responses released as usable energy. released as usable energy. stored as short-term
1. 3 answers
2. 60 views
Which is a simplified equation for photosynthesis?(1 point)Responses carbon dioxide + water + light → sugar + oxygen carbon
1. 3 answers
2. 57 views
Glucose is a carbohydrate formed by using energy to convert carbon dioxide and water bonded glucose molecules. What type of
1. 3 answers
2. 87 views
What does the vocabulary word purl mean?(1 point) Responses to spin in place to spin in place a lustrous gem found in sea
1. 3 answers
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What is the name of the sac that holds the testes?(1 point) Responses scrotum scrotum prostate prostate urethra urethra
1. 3 answers
2. 85 views
Which part of the male reproductive system is at particular risk after middle age?(1 point) Responses vas deferens vas deferens
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2. 93 views
n males, straining to lift heavy objects may result in _____.(1 point) Responses testicular cancer testicular cancer an enlarged
1. 3 answers
2. 65 views
Which effect is caused by testosterone?(1 point) Responses mumps after puberty mumps after puberty physical changes at puberty
1. 3 answers
2. 77 views
Which is a function of the male reproductive system?(1 point) Responses to produce and store sperm to produce and store sperm to
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2. 78 views
What is semen?(1 point) Responses a combination of sperm cells and egg cells a combination of sperm cells and egg cells a
1. 3 answers
2. 106 views
During cellular respiration, the covalent bonds of a molecule are broken down to make products. Which molecule is broken down?(1
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2. 58 views
During cellular respiration, four total ATP are produced when pyruvic acid is created. What else is produced as a result of this
1. 5 answers
2. 77 views
In The Red Badge of Courage, why did the youth enlist?(1 point) Responses He was eager to join the war. He was eager to join the
1. 21 answers
2. 94 views
What is a growing baby called from the third month until birth?(1 point) Responses zygote zygote embryo embryo fetus fetus
1. 21 answers
2. 92 views
In Chapter 8, of The Red Badge of Courage, what caused Henry to turn back to the frontline after fleeing?(1 point) Responses He
1. 7 answers
2. 108 views