What measures the mads of an object

Answers

Answer 1

Answer: Mass is the amount of matter an object has. We often use a triple-balance beam to measure mass. A triple-beam balance gets its name because it has three beams that allow you to move known massesalong the beam. Here is a picture of a triple beam balance.

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Upwelling is a proccess in which warm, nutrient rich water from the deep ocean rises to the surface. TRUE or FALSE.

Answers

The statement about “Upwelling is a process in which warm, nutrient rich water from the deep ocean rises to the surface” is false. It must be the cold, nutrient rich water from the deep ocean that must rise to the surface and replaces warm surface water. The cause of upwelling is when the local wind patterns blow along the northwest coast of South America causing local surface currents to move away. The warm water is then replaced by the deep cold water

Answer:

false

Explanation:

In Indian cuisine, sometimes a papaya is added to make meat cook faster. Explain how this method works.

Answers

In Indian cuisine, sometimes a papaya is added to make meat cook faster. This is possible since papaya contains enzymes that functions as a meat tenderizer which is called the papain. Adding the papaya while cooking will excrete out the enzyme and do its function which is to tenderize the meat.

Which catalyst is better for the decomposition of Hydrogen Peroxide(H₂O₂) , Potassium Iodide(KI) or Yeast? Explain why. Please help ASAP, very much appreciate it. Thankyou in advance.

Answers

Yeast, because it acts as a catalyst, or a helper, to remove the oxygen from the hydrogen peroxide

When 20. milliliters of 1.0 M HCL is diluted to a total volume of 60. milliliters, the concentration of the resulting solution is 1. 1.0 M 2. 0.50 M 3. 0.33 M 4. 0.25 M

Answers

The concentration of the resulting solution is 0.33 M. The correct option is 3. 0.33 M

Dilution

From the question, we are to determine the concentration of the resulting solution

From the dilution law,

M₁V₁ = M₂V₂

Where M₁ is the initial concentration

V₁ is the initial volume

M₂ is the final concentration

V₂ is the final volume

From the given information

M₁ = 1.0 M

V₁ = 20 mL

M₂ = ?

V₂ = 60 mL

Then,

1 × 20 = M₂ × 60

20 = M₂ × 60

Therefore,

M₂ = 20 ÷ 60

M₂ = 0.33 M

Hence, the concentration of the resulting solution is 0.33 M. The correct option is 3. 0.33 M

Learn more on Dilution here: brainly.com/question/5685564

C₁ * V₁ = C₂ * V₂

1.0 * 20 = C₂ * 60

20 = C₂ * 60

C₂ = 20 / 60

C₂ = 0.33 M

hope this helps!

A gas cylinder contains 2.0 mol of gas X and 6.0 mol of gas Y at a total pressure of 2.1 atm. What is the partial pressure of gas Y?

Answers

The answer is 1.6 atm. Let's first calculate the mole fraction of gas Y. The mole fraction (x) is: x = n1/n, where n1 is a number of moles of an individual gas in a mixture and n is total moles of the gas mixture. We know that n1 of gas Y is 6.0 mol (n1 = 6.0 mol) and that there are in total 8. mol of the gas mixture (n = 2.0 + 6.0 = 8.0 mol). Now calculate the mole fraction of gas Y. x = 6.0/8.0 = 0.75. Now, let's use the mole fraction of gas Y (x) and the total pressure (P) to calculate the partial pressure of gas Y (P1): x = P1/P. P1 = x * P. If x = 0.75 and P = 2.1 atm, then the partial pressure of gas Y is: P1 = 0.75 * 2.1 atm = 1.6 atm.

yes, this would be 1.6 atm

How many electrons are in Br-? A) 4 B) 7 C) 34 D) 36 E) none of the above

Answers

The number of electrons in Br- (bromide ion) is option B) 7.

Bromine (Br) has an atomic number of 35, which means it normally has 35 electrons. However, since the bromide ion (Br-) has a negative charge, it has gained one extra electron, bringing the total number of electrons to 35 + 1 = 36.

So, the correct answer is not listed among the options given

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