Exam (elaborations)

Straighterline Chemistry Final Questions and Correct Answers the Latest Update and Recommended Version

6 views 0 purchase

Course
Straighterline Chemistry

Institution
Straighterline Chemistry

What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e...

[Show more]

Preview 4 out of 40 pages

View example

Uploaded on October 24, 2024
Number of pages 40
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

what is the term used for findings that are summar

Institution Straighterline Chemistry
Course Straighterline Chemistry

TestTrackers Member since 8 months 53 documents sold

$14.49

Added

Add to cart Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!

Straighterline Chemistry Final
Questions and Correct Answers the
Latest Update and Recommended
Version
findings that are summarized based on a pattern or trend

✓ Law

tentative explanation for a set of observations

✓ Hypothesis

If a liquid contains 60% sugar and 40% water throughout its composition then what is it

called?

✓ Homogeneous mixture

does not have a uniform composition throughout

✓ Heterogeneous mixture

represents a physical change?

✓ Water, when heated, forms steam.

How many micrograms are in 65.3 kg?

✓ e. 6.53 × 1010 μg

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!

A smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters

(depth). What is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

✓ 58 cm3

Given that 1 inch = 2.54 cm, 1.00 cm3 is equal to

✓ 0.0610 in3

What terms defines a mass which is exactly equal to 1/12 the mass of one carbon-12 atom?

✓ Atomic mass unit

How many neutrons are there in an atom of lead whose mass number is 208?

✓ 126

Which of these elements is chemically similar to magnesium?

✓ Calcium

C(graphite) and C(diamond) are examples of:

✓ allotropes of carbon.

The 80Br- ion has

✓ 35 protons, 45 neutrons, 46 electrons.

The formula for sodium sulfide is

✓ Na2S

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!

Which one of the following formulas of ionic compounds is the least likely to be correct?

✓ Ca2NO3

What is the name of ClO - ion?

✓ hypochlorite

Which of the following is a molecular formula for a compound with an empirical formula of

CH?

✓ C6H6

What is the energy in joules of a mole of photons associated with red light of wavelength

7.00 × 102 nm? (c = 3.00 × 108 m/s; h = 6.63 × 10-34 J • s; NA = 6.022 × 1023 /mole)

✓ 1.71 × 105 J

Which is the correct electron configuration for gold?

✓ [Xe]4f145d106s1

Use the Rydberg equation to calculate the frequency of a photon absorbed when the

hydrogen atom undergoes a transition from n1 = 2 to n2 = 4. (R = 1.096776 × 107 m-1; c =

3.00 × 108 m/s)

✓ 6.17 × 1014 s-1

A 6.0-gram champagne cork is shot out of an opened champagne bottle and traveled at a

speed of 65 km/hour. Calculate the de Broglie wavelength (in meters) of the cork.

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

, TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!

✓ 6.1 × 10-33 m

A(n) _________ is a point at which a standing wave has zero amplitude.

✓ node

Calculate the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 × 105

m/s. The atomic mass of Ne-20 is 19.992 amu. (1 amu = 1.66 × 10-24 g and h = 6.63 ×

10-34 J • s)

✓ 1.0 × 10-13 m

The Pauli exclusion principle states that no ____ electrons within an atom can have the same

____ quantum numbers.

✓ 2; 4

Emission spectra

✓ can be used to identify unknown atoms.

Which one of the following equations correctly represents the process relating to the ionization

energy of X?

✓ X(g) → X+(g) + e-

How does atomic radius change as you move across the periodic table?

✓ Atomic radius decreases moving from left to right across a period and increases from top
to bottom.

|
✓ Thank You for Choosing Us! ✓ Resources & Updates: [Testtrackers - Stuvia US]
✓ © 2024 TestTrackers ✓ Your Success is Our Mission!
✓ Customer Support: [+254707240657]

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

71498 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling

Popular Universities in the United States

Popular books

Find notes and summaries for these qualifications

Exam (elaborations)

Straighterline Chemistry Final Questions and Correct Answers the Latest Update and Recommended Version

Document information

Subjects

Written for

Seller

Reviews received

Content preview