The density answers are so close that I need help trying g to figure which substance goes with what

Q: How do I show my work for (4 x 103) / (2 x 106)?

A: Given,

Q: Describe the types of energy involved when boiling an egg in a pot of water.

A: Eggs are made up of large number of protein molecules. Now small constituent amino acids are joined…

Q: Am I right? Calculate the mass percentage of water in the hydrate. Show the calculations. Sample 1…

A: mass percentage of water = Mas of waterMass of hydrate x 100

Q: a student makes 6 replicate readings and wants to calculate 95% confidence interval. which t value…

A: Find the mean (average) of the 6 readings.Calculate the standard deviation of the 6 readings.

Q: So for the question below, I have the answer worked out from class but I don't understand certain…

A: Since you have asked multiple questions, we will solve the first  part of the question for you. If…

Q: why is the answer 1.13 M?

A:

Q: 3.3 Perform the following mathematical function. Place your answer in the box at left: 0.97 51.11+…

A: =51.11 +0.972.414×0.32150×e-3.25 +1.52444=51.11 +0.972.414×0.32150×0.038774 +1.52444=51.11…

Q: N₂(g) + 3H₂(g) — 2NH3(g)

A:

Q: How many different ways can 4 identical items be put into 6 possible spaces? How about 4 identical…

A: The number of ways to put "n" identical items into "k" possible spaces can be calculated using the…

Q: does the N have to be there or can i write it without in (1)

A: It is a follow up question.

Q: The density of a metal will vary depending on the size of the sample. Group of answer choices True…

A: False,  The density does not change with variation in size of metal. This is because with decrease…

Q: By definition, what reaction equation does the AG°f for liquid propanal refer to? Choose…

A: We can see that propanal have C, H and O in its formula, so to from propanal carbon, Hydrogen and…

Q: Part A Be ion Express your answer as a signed integer in the form 3+. Request Answer Previous…

A: Beryllium is a second group element.  Atomic number of beryllium is 4.  It loses two electrons and…

Q: Use the References to access important values if needed for this question. The compound…

A:

Q: 3. Look at the combinations of "givens" and "unknowns" and check off the ones that require you to…

A: We know , Arrhenius equation is given as : K = A e-EaRT

Q: a) By how much should the student expect their sample measurements to increase by? Why? b) Will…

A: (a) In spectrophotometry, the absorbance is directly proportional to the concentration of analyte…

Q: question: Find the Molar Mass for Uranium hexafluoride (UF6).

A: To find molar mass of UF6

Q: Solve each following problem and round to the correct number of S.F. a. 3.2265 x 1000. b. 630.265-…

A: 3.2265 contain 5 significant figures and 1000. contain 4 significant figures. The product should…

Q: How can i make the answer have less significant figures and what would the asnwer be?

A: Significant figures marks the accuracy for a certain measurement. Significant figures follows…

Q: Student Z completes his/her calibration step for part 3 and finds an average mass, to be 95.237 g…

A: As per the guidelines, I am allowed to answer one question at a time. Please re upload the rest.…

Q: N2H4(1) --> NH3(g)+N2(g) Express your answers as inetegers seperated by commas

A:

Q: 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it…

A:

Q: Calculale the PH OF O.GM HON Show all ark 929 X10 PH: Tog C1929103 cid hep

A:

Q: 13. If a 91.8 cm³ block o

A: Density (d) of a substance is equal to its total mass divided by its total volume   i.e d = M/V…

Q: ASS Gwin x O Homepage - 20218 x Classwork for 2021 x E Danesha Patterson x A Commonlit | The S + a…

A:

Q: How many atoms of vanadium are in 1.28 grams of vanadium ?

A:

Q: Potassium permanganate in acidic solution is used to titrate a solution of iron(II) ions, with which…

A:

Q: 3* 6. What element corresponds to 1s22s22p63s23p64s23d104p6? 7. Correct the errors in the…

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Q: If 1.5 x 1022 carbon atoms were placed side-by-side in a line, how long would that line be (in feet)…

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Q: area in m2 of

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Q: You obtain the set of results 192, 216, 202, 195, and 204. Using Grubbs Test at 95% confidence…

A: Mean of data is calculated by sum of all measured value divided by number of value.

Q: H +

A: Pyridine is a base which can abstract the hydrogen (proton) and form product.

Q: A helium balloon takes up 4.35 liters of space. Your friend is showing off his new chemistry skills…

A: Here's how you can teach your friend to determine if his dimensional analysis answers "make sense".…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.