Chem Q1 Question 12

3500 nm isn't an option.

Need help with dimesional analysis

can you please solve this using the given answers to fill in the blank under the question,

Question 20

Question 19

can you help with putting them in the right order

I cannot figure this question out. I cannot find any one of these numbers that has 3 significant figures, and when I say that 200 has 1 I get it wrong.

A B C D miner - Online Timer E The substance is likely lead. Water Substance Density (g/cm3) Substance Density (g/cm3) 1.00 8.91 Gold The substance is likely gold. Aluminum 2.70 Copper The substance will float in water. The substance is likely nickel. 19.30 Examine the table for the densities of various substances above. If a student has an unknown substance with a mass of 51.3 g and a volume of 4.5 ml. A milliliter is equivalent to a cubic centimeter. Which statements can be supported by the information given here? Select ALL that apply. The substance will sink in water. Brainly.com - For st... Instagram 8.96 Nickel Titanium Lead Silver 4.51 11.40 Netflix Escape Room (Und... 10.50

A puzzle cube has a volume of 187 What is the volume of the cube in in ml STARTING AMOUNT ADD FACTOR ANSWER RESET 29.0 12 3060 187 (100)º 11.4 2.54 1210 100 475 0.01 (0.01) (12) (2.54) cm cm in in ml

19:05 Thu 19 Aug Question 6 of 20 The displacement volume of an automobile engine is 167 in What is this volume in liters STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 1000 167 0.001 (2.54)³ 0.0102 2.74 16.4 1 (1)³ 2740 2.54 cm3 in cm L mL in3

STARTING AMOUNT + X 1 ADD FACTOR x( ) 460 Convert 3.2 0.0833 ft² (1)² 38 in ft² to square inches (0.0833)² 3.2 ANSWER in² (12)² ft RESET 5 0.022 12

Part A A sample of platinum (21.4 g/cm³) has a volume of 15.0 cm³. If the current price of platinum in U.S. dollars (USD) is $57.50/g, what is the value of the sample in USD? View Available Hint(s) $8.62 x 102 USD $4.03 x 101 USD $5.58 x 100 USD $1.85 x 104 USD Next Submit Provide Feedback

Chemical Data Submitted Corporation Cost of Chemical to Military 1.5 g of Y results in a 5°C rise Company A $184.04/kg in temperature 1.0 g of Z results in a 2.5°C Company B $97.13/ kg rise in temperature Type your answers in all of the blanks and submit Two competing corporations are submitting data to the US Military to create chemical hot packs. The Military has stipulated that the each hotpack may cost no more than 85 cents and must result in at least a 20 °C rise in temperature when activated. Which of the following companies is the Military going to hire? The Military will hire company Type your answer here (A or B) because even though the temperature rise per gram is Type your answer here (larger or smaller), the cost per degree is Type your answer here (higher or lower). Company A is using Type your answer here grams to produce a 20 °C rise and the cost is $ Type your answer here Company B is using Type your answer here grams to produce a 20 °C rise and the cost is $ Fullscreen…

Answer question 4 and 5 please

Please correct answer and don't use hend raiting

Please fill in the boxes

Please correct answer and don't use hand rating

2:53 1 Question 43 of 45 Submit A student needs to run 3.2 km to get to school. If the student can run 5.5 mi/hr , how many hours will it take them to get to school? STARTING AMOUNT ADD FACTOR ANSWER RESET -( ) %3D 18 1 mi/hr 0.36 km 1.609 mi 5.5 hr 60 min 0.94 3.2 0.58 0.6214 35 Tap here or pull up for additional resources

The ionic radius of a sodium ion is 2.27 angstroms (A). What is this length in um 1010 2.27 X 2.27 x 10 pm STARTING AMOUNT 1 101° m 2.27 Å x = 2.27 × 10* µm 1A ADD FACTOR DELETE ANSWER RESET *( ) 2.27 0.0227 10° 2.27 x 1010 1 106 1010 1010 104 104 10 10 2.27 x 104 2.27 x 10* um A cm

A human hair is 75 um across. How many inches is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) %D 0.01 100 10 1 1x 10° 1 x 10-6 0.1 2.54 1 x 106 0.33 0.001 0.003 3.0 1 x 10-9 75 1000 0.00003 in mm cm um 30

At a particular instant in time the earth is judged to be 92,955,000 miles from the sun. What is the distance in kilometers to four significant figures? (See back inside cover for conversion factor)

Please help with 7&8

A brain weighing 1.0 lb occupies a volume of 620 cm3  and a specific gravity of 0.732. What is the density of the brain?   Question 14 options:   0.732 mg/cc   0.732 g/mL   0.732 lb/ft3   0.732 lb/cm3

Please help me and explain why is wrong so I can understand thank u!

What is the mass of a magnesium block that measures 5.00 cm × 2.00 cm × 2.00 cm? The density of magnesium is 1.738 g/cm3.      Please type answer note write by hend.

Using the picture and the options given how do I solve this?

No ai use ok

Pls help ASAP. Pls circle the final answer

Thank you I got the correct answer however I am unable to get the same answer on my calculator. I keep getting 3.1645425X10^-54. I don't know what I am plugging in incorrectly.  This is what I plug in (6.626X10^-34)/(1.67X10^-27)(9.11X10^6)

Ch x du.co X h Aktiv Chemistry 82.17 ADD FACTOR A particular person in America uses 311.0 gallons of water in a given day. How many liters of water is this? x() O + 1244 Your Aktiv Learning trial expires on 08/29/22 at 07:08 PM 1 Question 62 of 73 3.785 311.0 nal 0.25 4 19 up ANSWER 0.9463 0.2642 RESET 2 77.75 1177 (?:

The nutrition label on a bottle of cola reports that a 8.0 fl oz serving contains 24 g of sugar. How many kilograms of sugar are in a 2.0 L bottle of cola? Use the conversion 1 L= 33.8 fl oz. kg Enter an integer or decimal number (more.. Submit Question MacBook Air 20 D00 FA F1 F2 F3 F5 F6 2$ % 5 7 Q W E R

A 76.0076.00 pound flask of mercury costs $147.50.$147.50. The density of mercury is 13.534 g/cm3.13.534 g/cm3. Find the price of one cubic inch of mercury by calculating intermediate values. 1.) What is the price of one pound of mercury? 2.) What is the price of 1 g of mercury? 3.) What is the price of 1 cm3 of mercury? 4.) What is the price of 1 in3 of mercury?   It takes 4.650 in34.650 in3 of mercury to make one manometer. Find the price of the mercury used to make 2121 manometers by first calculating the cost of mercury for one manometer. 1.) What is the price of mercury used to make one manometer? 2.) What is the price of mercury used to make 21 manometers?