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Chemistry
Chemistry
High School
state two advantages of parallel over series connection in table form?
Chemistry
College
An enzyme can catalyze a reaction with either of two substrates, S1 or S2. The Km for S1 was found to be 2.0 mM, and the Km, for S2 was found to be 20 mM. A student determined that the Vmax was the same for the two substrates. Unfortunately, he lost the page of his notebook and needed to know the value of Vmax. He carried out two reactions: one with 0.1 mM S1, the other with 0.1 mM S2. Unfortunately, he forgot to label which reaction tube contained which substrate. Determine the value of Vmax from the results he obtained:Tube number: 1Rate of formation of product:0.5Tube number: 2Rate of formation of product: 4.8
Chemistry
High School
which of the following lists contains only elements?A ) air , water,oxygenb) hydrogen, oxygen, brassc) air , fire , water, earthd) calcium, sulphur, carbon
Chemistry
College
Velocity isis a givenO distance, timeO speed, displacementO speed, direction
Chemistry
High School
can u help me with my science problems
Chemistry
High School
Qu podra pasar si la fuerza fuerte no existiera?
Chemistry
High School
Calculate the density of an object using the following information: Mass = 50 grams and the initial water level is 30-ml in a graduatedcylinder, but rose to 40-ml after the object was dropped into it.
Chemistry
High School
For a laboratory investigation some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelfovernight. The next morning, the students recorded observations about the metal and the solution in the box below.Students' ObservationsExhibit. The solution is lighter in color,The volume of solution is the same. The metal strip is shiny above the surface of the solution The metal strip is not shiny below the surface of the solution. The metal strip below the surface of the solution has a darkcoat of flaky material When the metal strip is touched, the flaky material falls off.Based on their observations, can the students correctly conclude that a chemical reaction occurred?A. No, because the metal strip was still visibleB. Yes, because a new material of a different color formed on part of the metal stripc. No, because the solution stayed blueble solution stayed the same12 AM
Chemistry
College
How much space does 2 x 1022 atoms of copper take up?How much space do 2 x 1022 copper pennies take up, using examples from the animation?
Chemistry
High School
You are out on a hike, and you notice that the line of telephone wires you have been following along a slope is crooked. Two of the posts are much farther down slope then the others. What has likely occurred on this hillside?
Chemistry
High School
What are the different parts of a comet?
Chemistry
Middle School
Steps of photosynthesis:___ ATP molecules form.___ Sugar molecules form.___ Chlorophyll absorbs light energy.
Chemistry
High School
In order for radiation to transfer heat
Chemistry
High School
Solids are usually: equal in density to other phases more dense than liquids less dense than gases
Chemistry
College
Which statement best Describe the people in Mississippi period
Chemistry
High School
Why are prefixes used in naming covalent compounds?A. The prefixes identity the only way the atoms can combine.B. The same atoms can combine in more than one ratio. C. The atoms can have different numbers of valence electrons D. Oxidation states of the atoms are identified with prefixes
Chemistry
High School
Which of the following is not a gas in the Earth's atmosphere? A. oxygen B. carbon dioxide C. sulfur D.nitrogen 1
Chemistry
High School
POSSIBLE POINTS: 26.67Match the seasons for the Northern Hemisphere, Winter, Spring Summer, Fall to the different points on the diagram
Chemistry
High School
Which compound contains nitrogen with an oxidation number of +3?
Chemistry
High School
FIRST TO ANSWER CORRECTLY GETS BRAINLIEST!
Chemistry
College
6-36. Calculate [H ] and pH for the following solutions: (a) 0.010 M HNO 3 (b) 0.035 M KOH (e) (c) 0.030 MHCl
Chemistry
High School
You will analyze four substances in this lab. Based on their chemical formulas and what you already know about covalent and ionic compounds, make a prediction for each compound.Cornstarch, a carbohydrate consisting of hydrogen, carbon, and oxygen
Chemistry
College
How many protons does Hydrogen contain?
Chemistry
High School
If you worked at a job for 9.00/hour, what type of correlation is the number of hours worked and your take-home pay?
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