Calculate the mass percent of titanium in the mineral ilmenite, FeTiO3.

Answers

Answer 1

Answer: This question is asking you to find how much titanium there is in FeTiO3.

First, let's add up all of the elements to find the total mass of the compound.

We know that there is 1 iron, 1 titanium, and 3 oxygen. We will reference the periodic table, and use the element's atomic weight.

Fe x 1: (55.85g x 1) = 55.85g
Ti x 1: (47.87g x 1) = 47.87g
O x 3: (16.00g x 3) = 48.00g
--------------------------------------
+ 151.72g

Now to find the percentage of titanium in the compound, we are going to divide the atomic weight of titanium by the total weight of the compound, and multiply by 100.

(weight of Ti) / (total weight of FeTiO3) x 100 = percent of Ti%

47.87g / 151.72 x 100 = 31.55%

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making predictions, categorizing things, spotting something unusual, identifying themes, discovering connections, finding patterns are all apart of?

Answers

Monopoly GO! bye bye guys i gtg

Perform the followingmathematical operation, and
report the answer to the
appropriate number of
significant figures.
1204.2 +4.79613 = [ ? ]

Answers

This problem is providing a mathematical expression which the result should be expressed with the correct significant figures. At the end, the result is 1209.0 because of the following:

Significant figures:

In science, the use of significant figures is crucial as long numbers are not necessarily required when reporting a numerical value, for that reason the importance of reporting measurements with the correct number of significant figures.

In the case of additions, we perform the normal operation as the first step:

1204.2 +4.79613 = 1208.99613

Next, we round the result to the leastnumber of decimal places, in this case one because 1204.2 has just one decimal place, unlike the 4.79613 which has five, so that we round the 8 up to 9 and leave a 0 as the onlydecimalplace:

1209.0

Learn more about significant figures: brainly.com/question/11904364

How many grams of CuSO4 are there in 100.0g of hydrate?

Answers

Usually copper(ii) sulfate has a hydrate form with 5 moles of water or copper (II) Sulfate pentahydrate or CuSO4.5H2O. To answer this, 100g of the hydrate is multiplied by the reciprocal of its molar mass then muliplied by the molar ratio of CuSO4 to CuSO4.5H2O. Then finally

In 1989, the Exxon Valdez spilled nearly 42,000,000 liters of oil into Prince William Sound, Alaska. How would this spill be classified?Abiotic environmental
Biotic environmental
Genetic
Pathogenic

Answers

In biology and ecology, abiotic componentsor abiotic factorsare non-living chemical and physical parts of the environment thataffect living organisms and the functioning of ecosystems. Abiotic factorsand phenomena associated with them underpin all biology. So the oilspill is a non-living chemical

Correct Answer:

A. Abiotic environmental

3 of 3 points

Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations. Mass is shown on the triple beam. Scale Test Mineral Mineral H. Density, g/cc 10 diamond tellurium 2 2.07 9 corundum galena 2.5 7.58 8 topaz anglesite 2.5 - 3 6.4 7 quartz chalcocite 2.5 - 3 5.6 6 feldspar copper 2.5 - 3 9.0 5 apatite gold 2.5 - 3 19.3 4 fluorite silver 2.5 - 3 10.5 3 calcite arsenic 3.5 5.7 2 gypsum barite 3 - 3.5 4.4 1 talc dolomite 3.5 - 4 2.9 platinum 4.5 21.5 willemite 5.5 4.0 magnetite 6 5.18 pyrite 6 - 6.5 5.02 pyrolusite 6 - 6.5 5.0 cassiterite 6.5 6.9 diamond 10 3.52 Volume of water displaced = 0.175 L Mass: g Density. g/cm³ Hardness: = - Determine the unknown mineral. Unknown mineral:

Answers

The unknown mineral is likely "barite" due to its density of approximately 0.0251 g/cm³, which closely matches the calculated density of the unknown mineral.

To determine the unknown mineral, we can use the given information about its mass, volume of water displaced, and density. Here are the steps to find the unknown mineral:

1. Calculate the density of the unknown mineral using the formula: Density (g/cm³) = Mass (g) / Volume (cm³).

2. Use the density value to identify the mineral from the provided list.

Given:

- Mass of the unknown mineral = mass on the triple beam = 4.4 g

- Volume of water displaced = 0.175 L = 175 cm³ (since 1 L = 1000 cm³)

Now, calculate the density of the unknown mineral:

Density (g/cm³) = Mass (g) / Volume (cm³)

Density = 4.4 g / 175 cm³ = 0.0251 g/cm³

The density of the unknown mineral is approximately 0.0251 g/cm³. Now, let's find the mineral with a similar density from the provided list:

Among the given minerals, the closest density match is with "barite." Barite has a density of approximately 4.4 g/cm³, which is quite close to the calculated density of the unknown mineral.

Therefore, the unknown mineral is likely "barite."

For more such questions on Mineral Identification

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Answer:

Mass: 981.0 g

Density: 5.61 g/cm^3

Hardness: = 2.5 - 3

Unknown material: Chalcocite

I just got a 100 on the test ^ so that is right

Feelings of sadness __________.a. are only felt by those with depression
b. are one of the major symptoms of depression
c. usually also lead to panic attacks
d. should be ignored even when they last a long period of time

Answers

Feelings of sadness:

A) Sadness can occur within anybody, not just a symptom of depression. This option is out of the question, since it is wrong.

B) Feelings of sadness are usually linked to depression when felt over a long period of time. Studies say that sadness is only a little part of depression, while you mostly feel rejected, hopeless, and worthless. Looking at the other options, this would be the most reasonable answer.

C) This CAN be true in some ways, but panic attacks can be triggered by so many things. The #1 reason is usually when you're nervous or anxious. Panic attacks can even happen out of the blue. Sadness can lead to panic attacks, but not usually. I would say no for this option.

D) Sadness should NOT be ignored when they last over a long period of time. If you are sad for a certain time period, you should look into talking to somebody about the issue. This option is obviously false.

Out of the choices, two out of four were reasonable, but I would have to go with B) are one of the major symptoms of depression.

B) are one of the major symptoms of depression

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