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loris [4]
3 years ago
12

Question

Chemistry
2 answers:
Romashka-Z-Leto [24]3 years ago
7 0

2. Its showing that Customers who are in the Value X Rewards Program would also receive free popcorn or drinks each time they would shop at the store.



Hope this helped.

Norma-Jean [14]3 years ago
6 0

2. Its showing that Customers who are in the Value X Rewards Program would also receive free popcorn or drinks each time they would shop at the store.

Hope this helped.


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Help needed urgently<br>the word missing or partially seen is oxygen ​ I forgot to put more pointa
butalik [34]

Explanation:

2.04 % hydrogen

32.65% sulphur

65.31% is oxygen

atomic ratio

hydrogen =2.04÷1=2.04

sulphur =32.65÷32=1.02

oxygen =65.31÷16=4.08

simplest ratio

hydrogen = 2.04÷1.02=2

sulphur =1.02÷1.02=1

oxygen =4.08÷1.02=4

empirical formula is H2SO4

4 0
3 years ago
Which of these factors will cause a solid solute to dissolve faster?
Murrr4er [49]

Answer:

Heat

Explanation:

Higher temperatures cause solid solutes to dissolve at a faster rate than normal

7 0
3 years ago
Read 2 more answers
How many moles of lead, Pb, are in 1.50 x 10^12 atoms of lead?
gulaghasi [49]
<h3>Answer:</h3>

2.49 × 10⁻¹² moles Pb

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<h3>Explanation:</h3>

<u>Step 1: Define</u>

1.50 × 10¹² atoms Pb

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

  1. Set up:                                         \displaystyle 1.50 \cdot 10^{12} \ atoms \ Pb(\frac{1 \ mol \ Pb}{6.022 \cdot 10^{23} \ atoms \ Pb})
  2. Multiply:                                                                                                           \displaystyle 2.49087 \cdot 10^{-12} \ moles \ Pb

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

2.49087 × 10⁻¹² moles Pb ≈ 2.49 × 10⁻¹² moles Pb

5 0
3 years ago
I would appreciate if somebody help me please!!! Pt2 posted
nignag [31]

The disease prevention methods are as follows:

  • Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
  • Salmonella: wash hands properly; keep food area clean; cook food properly
  • Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
  • HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
  • Heart disease: avoid trans fat; exercise regularly; avoid smoking
  • Whooping cough: wear face masks; wash regularly; get vaccinated

<h3>What is the disease prevention?</h3>

Disease prevention refers to the steps taken to protect oneself from developing a particular disease.

The disease prevention methods for the given diseases is as follows:

  • Influenza: Avoid close contact with sick people; Cover your mouth and nose, Clean your hands
  • Salmonella: wash hands properly; keep food area clean; cook food properly
  • Type 2 Diabetes : exercise regularly; reduce sugar intake; quit smoking
  • HIV/AIDS: Avoid sharing of unsterilized sharp objects; avoid unprotected sex; screen blood before transfusion
  • Heart disease: avoid trans fat; exercise regularly; avoid smoking
  • Whooping cough: wear face masks; wash regularly; get vaccinated

In conclusion, disease prevention is the best policy in health care.

Learn more about disease prevention at: brainly.com/question/13341436

#SPJ1

8 0
2 years ago
If a .05 gram pill of aspirin is dissolved into 50 grams of water, what is the
soldi70 [24.7K]

Answer:

0.10 % w/w

Explanation:

The percent by mass (%w/w) is defined as one hundred times the ratio between the mass of solute (In this case aspirin, 0.05g) and the mass of solution (Mass solute + mass of water = 0.05g + 50g = 50.05g). The percent by mass is:

0.05g Aspirin / 50.05g * 100 =

0.10 % w/w

3 0
3 years ago
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