Perform the following calculations. Answer must include correct significant figures: 1. 2340 cm + 12.9 cm...
Perform the following calculations. Answer must include correct significant figures:
1. 2340 cm + 12.9 cm
2. (2.72 g/mL) (14.6 mL)
3. Convert 7.50 cm into mm
4. Convert 570 mg to g
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
Perform the following calculations. Answer must include correct
significant figures:
1. 2340 cm + 12.9 cm...
1. Perform the following and express the answer in scientific notation with proper significant figures. 1....
1. Perform the following and express the answer in scientific notation with proper significant figures. 1. 10.6 cm_______________ =____________ m 2. 450,000 ug_______________ =____________ g 3. 12 mL_______________ =____________ cL 4. 50 Mton_______________ =____________ ton 5. 4,600 nm_______________ =____________ um 6. 0.058 kg_______________ =____________ dg 7. 2460 uL_______________ =____________ dL 8. 0.015 s_______________ =____________ ms 9. 0.66 um_______________ =____________ mm 10. 0.062 g_______________ =____________ cg 11. 12,500 cL_______________ =____________ L 12. 61,500 nm_______________ =____________ cm 13. 0.0520 kg_______________ =____________ dag...
i need the answers 1. Perform the indicated operations and give the answer with significant figures...
i need the answers
1. Perform the indicated operations and give the answer with significant figures a) 13.34 m - 12.5 m) x (34.66 m -0.553 m) b) 3.56 cm x 230 mm x 4078 mm +5.255 cm 2 Name the following compounds a. CuSO.. 5H30 b. CoCl2.6H30 C. NH.NO d. Pb(NO3)2 e. CaCO3 3. Give the number of significant figures in each of the following. a. 0.0010 b. 2.003 C. 8.0324 d. 300 e. 2.34X 10 4. Define Intensive...
Perform each of the following calculations and express the answer with the correct number of significant...
Perform each of the following calculations and express the answer with the correct number of significant figures (only the highlighted values are exact): 0.6274 times 1.00 times 10^3/[2.205 times (2.54)^3] = 6 times 10^-18 times (1.00 times 10^3) times 12 = (4.00 times 58.69)/(6.02 times 10^23 times 6.84) = [(26.0 times 60.0)/43.53]/(1.000 times 10^4) =
CHM123L section Instructor Significant Figures in Calculations Complete the calculations and enter the answers rou...
CHM123L section Instructor Significant Figures in Calculations Complete the calculations and enter the answers rounded to the cocrect number of significant figures. In multiple step calculations, track significant figures but do not round until the end. 1. Round to 2 decimal places: 12 6352 Complete these computations the enter the answer rounded to the correct number of significant figures 2 # of significant figures m answer 102794-619 = 3 #of significant figures in answer iyy4 yrtt 4.29 x 103 +...
the standard enthalpy of formation of MgO lab please help! thank you MUST SHOW ALL CALCULATIONS...
the standard enthalpy of formation of MgO lab
please help! thank you
MUST SHOW ALL CALCULATIONS and CORRECT SIGNIFICANT FIGURES. RE NEAT 1. How many grams of hydrochloric acid solution are present in 23.3 mL of that solution? The density of the hydrochloric acid solution is 1.00 g/mL. 2. Convert 0.6319 grams of Mg to moles of Mg. 3. Convert 1.1162 grams of Mgo to moles of Mgo. 4. AH for the reaction MgO (s) + 2 H(aq) What is...
(87.7−23.202)÷0.0052 Perform the following calculations to the correct number of significant figures. I cannot figure this...
(87.7−23.202)÷0.0052 Perform the following calculations to the correct number of significant figures. I cannot figure this out to save my life. Please could someone explain it.
Perform the following calculations to the correct number of significant figures. Part A (22.4856×2.55)+378.20 Part B...
Perform the following calculations to the correct number of significant figures. Part A (22.4856×2.55)+378.20 Part B (86.5−22.060)÷0.0055 Part C (582÷905.0)+5.35 Part D [(2.68×106)÷53.589]+135.65
15. For the following problems, calculate the answer using the correct significant figures rules. a) 0.7856...
15. For the following problems, calculate the answer using the correct significant figures rules. a) 0.7856 cm + 0.47 cm = _________ b) 143.266 g – 24.6 g =_______ c) 40.0 mL + 75.3 mL = __________ d) 1.25 X 0.13 = ______ e) 0.0012 / 0.0008 = _____ f) [1.265 + 1.02] X 82 = ______
Perform the following indicated operation. report the answer to the correct number of significant figures. 0.00521+0.236
Perform the following indicated operation. report the answer to the correct number of significant figures. 0.00521+0.236
Perform the following exercise, reporting the answers with the correct number of significant figures. A gas...
Perform the following exercise, reporting the answers with the correct number of significant figures. A gas occupies 895 mL at 305 K. What will be the temperature in °C of this gas if the volume was decrease to 685 mL? Assume the pressure and n is constant.
i need the answers
1. Perform the indicated operations and give the answer with significant figures a) 13.34 m - 12.5 m) x (34.66 m -0.553 m) b) 3.56 cm x 230 mm x 4078 mm +5.255 cm 2 Name the following compounds a. CuSO.. 5H30 b. CoCl2.6H30 C. NH.NO d. Pb(NO3)2 e. CaCO3 3. Give the number of significant figures in each of the following. a. 0.0010 b. 2.003 C. 8.0324 d. 300 e. 2.34X 10 4. Define Intensive...
Perform each of the following calculations and express the answer with the correct number of significant figures (only the highlighted values are exact): 0.6274 times 1.00 times 10^3/[2.205 times (2.54)^3] = 6 times 10^-18 times (1.00 times 10^3) times 12 = (4.00 times 58.69)/(6.02 times 10^23 times 6.84) = [(26.0 times 60.0)/43.53]/(1.000 times 10^4) =
CHM123L section Instructor Significant Figures in Calculations Complete the calculations and enter the answers rounded to the cocrect number of significant figures. In multiple step calculations, track significant figures but do not round until the end. 1. Round to 2 decimal places: 12 6352 Complete these computations the enter the answer rounded to the correct number of significant figures 2 # of significant figures m answer 102794-619 = 3 #of significant figures in answer iyy4 yrtt 4.29 x 103 +...
the standard enthalpy of formation of MgO lab
please help! thank you
MUST SHOW ALL CALCULATIONS and CORRECT SIGNIFICANT FIGURES. RE NEAT 1. How many grams of hydrochloric acid solution are present in 23.3 mL of that solution? The density of the hydrochloric acid solution is 1.00 g/mL. 2. Convert 0.6319 grams of Mg to moles of Mg. 3. Convert 1.1162 grams of Mgo to moles of Mgo. 4. AH for the reaction MgO (s) + 2 H(aq) What is...
Perform the following exercise, reporting the answers with the correct number of significant figures. A gas occupies 895 mL at 305 K. What will be the temperature in °C of this gas if the volume was decrease to 685 mL? Assume the pressure and n is constant.
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago