answersLogoWhite

0

Chemistry

User Avatar

Hudson Parisian

Lvl 10
2y ago
No Reviews
Leave the first rating

Rate this Study Guide:

Cards in this guide (13)
On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

Cheyne can drive 59 mph.

What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius

q = m x C x Δt, where q is amt of heat gained or lost, C is specific heat capacity, and Δt is change in temperature.

Known:

q = 2000J

m = 4g

Δt = 5oC

Equation:

C = q/mΔt

Solution:

C = 2000J/4g5oC = 2000J/20goC = 100J/goC

Stella described her chemistry notebook as being a green rectangle with curved edges It measured 30.0 cm x 22.1 cm What kind of properties did Stella describe

physical properties (:

Instructions for using chemicals should be read more than once because

directions must be clear to the user before the chemical is used

Classify this property as homogenous or heterogenous Click on the correct answer

homogeneous

Classify this property as intensive or extensive width

Width is extensive.

Type the correct name for this compound then press Enter

calcium oxide (A+)

Of these clothing selections which would be preferable in a laboratory

Long pants and a long-sleeve shirt would be acceptable clothing in a laboratory.

Why is the answer barium II carbonate wrong for the formula BaCO3

The answer, barium II carbonate is wrong for the formula BaCO3 because barium has only one possible charge.

If the aroma of a material is not offensive it is probably okay to taste it

false

Consistent temperature can be achieved while heating a test tube by doing what

Consistent temperature can be achieved by heating a test tube while moving the test tube all around the flame. Do not let only one part of the test tube rest on a flame but instead, keep moving the test tube slowly.

A 050g ball of aluminum foil absorbs 1.42j heat when it is heated 31.6c what is the specific heat of aluminum foil

0.90 J/g°c

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

Use the electronegativity chart to determine the type of bond that will form between this pair of elements.

N + N

Related study guides

Chemistry

14 cards

What can measure only one quantity of liquid

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

Acid is correctly diluted with water by this method

Calcium chloride is often used to de-ice roads in the winter What volume would 15.7 g calcium chloride occupy

➡️
See all cards
2.67
3 Reviews

Chemistry

11 cards

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

George intentionally threw a snowball directly at Chris The fact that the snowball will continue in the direction of Chris after leaving George's hand is an example of the snowball's

Stella described her chemistry notebook as being a green rectangle with curved edges It measured 30.0 cm x 22.1 cm What kind of properties did Stella describe

Classify this property as homogenous or heterogenous Click on the correct answer

➡️
See all cards
1.0
2 Reviews

Chemistry

13 cards

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

What does the symbol PO-210 represent

Is texture extensive or intensive

George intentionally threw a snowball directly at Chris The fact that the snowball will continue in the direction of Chris after leaving George's hand is an example of the snowball's

➡️
See all cards
3.0
1 Review

Chemistry

13 cards

How many moles of ammonia gas are found in a 202 mL container at 35C and 750 mmHg

On a trip to Italy Cheyne rented a car to tour the country As he turned onto the highway he noticed that the speed limit was 95 kmh How fast can Cheyne drive in mph

The subscripts of a compound indicate

Acid is correctly diluted with water by this method

➡️
See all cards
No Reviews

Chemistry

15 cards

What can measure only one quantity of liquid

Is water a homogeneous substance or a heterogeneous substance

It takes an electrician 45 minutes to wire an office in a new office building that is being built The electrician signed a contract to wire all offices on 6 floors of the new building There are 50

What does the symbol PO-210 represent

➡️
See all cards
No Reviews