What is the ln of 1/time of the time is 449.7 seconds?

Q: How do you round 17.9915 to one digit ?

A: If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38…

Q: The velocity of an object is the distance it travels per unit time. Suppose the velocity cm of a…

A: The velocity of the gliding bird=225 cm/s Distance travelled by the bird= 2.7 m First, convert…

Q: Which volume is smaller: 1.0 L or 1.0 qt?

A: We have to find which volume is smaller i.e 1.0 L or 1.0 qt Solution = 1.0 qt is smaller volume than…

Q: how many significant figures would my answer have if i devide 94.997grams/10mL?

A: Significant figures- Uncertainty in measured value leads to uncertainty in calculated results.…

Q: An electric current of 21.10 A transports 880. μC of charge. Calculate the time this took. Be sure…

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Q: A copper wire (D=8.96g/cm³) has a diameter of 0.25mm. If a sample of this copper wire has a mass of…

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Q: 2. A nurse measured the average heart beats of a patient and reported to the doctor in terms of time…

A: The time period of patient patient heart beats = 0.8 s  Number of heart beats formed in a minute = ?

Q: 1.The literature for a pharmaceutical product states that 26 patients of the 2, 103 enrolled in the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: the long ton is exactly equal to 2240 Ib. what is the mass of 1.0 long ton in kilograms?

A: Mass is a base SI unit, which is expressed in the units of kilogram. The other units for the…

Q: If the temperature is -55 °F, what is the corresponding temperature on the Kelvin scale?

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Q: Express 3.78 m³ in units of cm³.

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Q: the true density of methanol is 0.792 g/mL based on the answer 0.762 what is the percent error of…

A: Given— True density = 0.792 g/ ml Measured density = 0.762 g/ml

Q: A square field has a perimeter of 3.6 km. What is the length of one side in metres?

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Q: what is the sighnifcant figure of 100.21x 0.38

A: Significant figures : Significant figures are the number of digits in a value, often a measurement,…

Q: A small hole in the wing of a space shuttle requires a 17.7 cm2 patch. (a) What is the patch’s area…

A: (a) The patch area given is 17.7 cm2 Using conversion factors 1 cm2 = 10-4 m2 1m2 = 10-6 km2 So,

Q: An iceberg has a volume of 7655 cu ft. What is the mass of the ice (in kg) composing the iceberg (at…

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Q: A titanium bicycle frame displaces 0.449 L of water and has a mass of 1.08 kg. What is the density…

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Q: 54.22 miles in 1.284hours is what speed in ft/min? Using sigfigs

A: Given that:  Distance = 54.22 miles  Time = 1.284 hours Formula of speed = distance/time

Q: Which zero is significant in the number 50,540? What is the other zero called?

A: Which zero is significant in the number 50,540? What is the other zero called?

Q: on average a drop of water has a volume of 50.0 microliters. What is this volume in dekaliters?…

A: Given :- volume of a drop of water = 50.0 microliters  To convert :- given volume to decaliters…

Q: 2. A straight line has a slope of 3200 and an intercept X?

A: According to the question, we have: Slope = m = 3200 Intercept = c = -0.025 y = 0.450

Q: what fraction of an hour is 900 seconds using dimensional analysis

A: what fraction of an hour is 900 seconds using dimensional analysis

Q: the distance between the oxygen atom and a hydrogen atom in a water molecule is 95.7 pm  a. what is…

A: Given : distance between O and H = 95.7 pm

Q: Rolls of aluminum foil are 304 mm wide and 0.016 mm thick. What maximum length of aluminum foil can…

A: Width of Aluminum roll = 304mm Thickness of Aluminum roll = 0.016mm Mass of Aluminum = 1.10kg The…

Q: how many micrometers are in 1.00 kilometers?

A: It is required to calculate how many micrometers (µm) are there in 1 km.

Q: If a runner completes a 10 kilometer race in 32.11 minutes, what is the 10.0-km pace in miles per…

A: We have 1 mile= 1.609 km ,so 1 km= 1/1.609= 0.621 miles . So 10 km = 6.21 miles  Aslo we have 1 hour…

Q: A cubic piece of metalmeasures 5.00 cm on each edge. If the metal is nickel, whosedensity is 8.90…

A: The given data contains, volume =5 cm Density =8.90 g/cm3

Q: A child is prescribed a syrup produced by crushing ten carvedilol 25 mg tablets and mixing to a…

A: Given: The number of carvedilol tablets crushed = 10 The mass of each tablet = 25 mg The volume of…

Q: The distance from Miami to Orlando is 235.0 mi. What is the distance in micrometers?

A: Given  Distance between  city  235 .0 mi

Q: Density of .80/cm3 if u have 60cm3 of the substance what would it’s mass be?

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of a…

Q: Given that one inch is equal to 25.4 mm. How many feet equal 21.0 m?

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Q: What is the mass of one egg if 9 dozen eggs have the mass of 5.30kg?

A: Given: The mass of 9 dozen eggs is 5.30 kg.

Q: 2. The number of significant figures in the number 2101.010100 is

A: 2101.010100 To find out the significant figures of given value.

Q: How many 1-fm squares does it take to construct a square that is 1 m on each side?

A: Number of square can be calculated using area of squares.

Q: The dose of a drug is 50 mg/kg of body weight once daily for 7 consecutive days. For a child…

A: I lb is equal to 0.454 kg. We have to determine volume in ml in 500 mg of drug.

Q: ations. Calculate the volume (length x width x height) in units of mm³ (mm x mm x mm) fo large…

A: Volume = length * width* height Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm Volume =…

Q: A chemist must dilute 52.5 mL of 323. mM aqueous silver perchlorate (AgCio,) solution until the…

A: Molarity is calculated in terms of moles per litre. It basically tells the amount of moles present…

Q: British driver Andy Green broke the land speed record at Black Rock Desert on October 15, 1997. He…

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Q: The boiling point of a liquid is calculated to be 377.44 K. What is this temperature on the Celsius…

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Q: Express the following measurement in the designated unit 45 g/l to μg/ml

A: Gram is a unit of measurement which is denoted by the symbol 'g'. Liter is a unit of measurement…

Q: The number 7.134×10^7in normal decimal notation is?

A: Basic rules to convert scientific notation into decimal notation :If the exponent is positive, move…

Q: How many hours are there in exactly 18 days? hours This answer has O significant figures.

A: Rule-All nonzero digit and any non zero contain between non zero are digit count  so, Ans is 4…

Q: Which is the smaller volume? 514 uL or 0.584 mL? Please show calculations.

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Q: 1.47 A cylindrical tube 9.5 cm high and 0.85 cm in diameter is used to collect blood samples. How…

A: 47.  The height of the cylindrical tube is = 9.5 cm The diameter of the cylindrical tube is = 0.85…

Q: An iceberg has a volume of 7655 ft2. What is the mass of the ice (in kg) composing the iceberg (at 0…

A: Given information,      An iceberg has a volume of 7655 ft2

Q: A medicine is prescribed to a patient at 4 milliunites/minute. The nurse adds 20 units of the…

A: Since we have 20 units in 1000 mL Hence per mL we will have units = 20/1000  = 0.02 units/mL Since…

Q: One liter ( abbreviated L) is the volume of a box that is 1dm on each side. How long is the side of…

A: 10 dm= 1m⇒ 1 dm= 110m =0.1 m

Q: The area of a telescope lens is 7903 mm² (a) What is the areain square feet (ft² )? (b) If it takes…

A: a) Conversion of mm into feet: 1 feet=304.8 mm1 mm =1304.8 feet=0.00328084 feet Calculation of area…

Q: how to convert 598000 seconds to days

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.