prepare a concrete mixture with ratio 1:2:4. Use 1 kg cement for the mixture?
100363
1-2-3\none cement (portland)\n2 sand\n3 rock
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The ratio is 1 part rubbing alcohol to 2 parts water.I usually use 1 cup and 2 cups. Put the mixer in a gallon size zip lock then, place the zip lock into another zip lock to prevent any leakage. You can reuse this ice pack over and over. OR - you can make several smaller ice packs if you don't want a gallon size one.
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Water-cement ratio is a term usually associated with concrete. It is the ratio of weight of water to the weight of cement used in the concrete mix. It has some important influences on the quality of concrete produced. Concrete with a low water-cement ratio may become strong and durable, but the mix would become very difficult to place. If water-cement ratio is increased then the concrete mix would be more workable (or loose). It is easier to place the concrete in this condition but too much water can cause pores to form in the microstructure, thereby reducing the durability. The water-cement ratio is a critical factor in the design of concrete mixes.
986706
You want to use a 23/32 .718 drill bit.\nStart by spot drilling with a 1/4 or so then drill with the .718 bit.
888632
to turn kg's into pounds you multlply the kg by 2.2
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I assume you mean cement and concrete.\n\nCement is the bonding agent used to make concrete mix.  In addition to cement, concrete is made of aggregate (gravel and rock) and water.  The formulas vary somewhat according to the application, and whether the concrete will be pumped when it is poured.  You should not have too much water in the concrete mixture because it will reduce the strength of the concrete when it is cured.  Many times a sample of the concrete is poured for laboratory testing at a later date.\n\nThe evaporation of water from the poured concrete must be controlled while it is curing for maximum strength.  This can be accomplished by spraying water on the surface several times a day.  The hotter the weather, the more frequently it should be wetted.  Alternatively, there are products available that make a moisture barrier to reduce evaporation when sprayed on the surface of the concrete.\n\nReinforcing steel (rebar) is used inside concrete structures to improve strength and reduce cracking.  Building codes may give guidance as to the quantity and placement of rebar, but sometimes a structural engineer should be consulted.  Wire mesh is commonly used for large flat areas, like a slab or sidewalk, but it is not very effective and rebar is preferred.\n\nCement is also used with sand and lime to prepare mortar for masonry (brick and concrete block), and for plastering and stucco.  When the mortar is to be used for ceramic tile, the sand is usually omitted.
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Your ratio is 1:8.15          You fid this out by starting at 13:106 and work yoiur way down to 1. \n\nyou divide both sides by 13 to get your answer.
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To solve this problem we need to think about limiting reactants.  This one is fairly simple because I already have moles and the ratio is 1:1:1.  If I only have 3 kmols of C, that is the most I can make, because going beyond that, I would be out of C.  Thus, I can only make 3kmols of CO2 with 2 kmols of O2 left unreacted.  These amounts are theoretically find for a combustion reaction.
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Are you sure you want to pour and mix this yourself??  When my husband and I did the cement around our pool, it was about that size and we had the cement brought in and poured.  It really wasn't that expensive, but a lot better on the time factor.
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Based on what you have given us, there are no coefficients in front of any of the compounds/elements, so the ratio would be 1:1:1.\n\nI'm guessing that you didn't provide all the information need, though.\n\nGenerally these questions give you a reaction that you must first balance to determine the mole ratios.
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do you mean a mixed fraction cause if thats it 1 and and 1/4
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gorilla glue! \nor possibly rubber cemente
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You need to determine how many yards of concrete you need as well as how much reinforcing you need.\n\nThe yardage will be the length of the drive way in feet times the width in feet times the depth in FEET. This will give you the cubic feet then divide that by 27.  If you have any odd shapes involved (like the approach) divide it into rectangles and triangles to determine your yardage.\n\nWhen it comes to ordering concrete you'll have to remember that ready-mix plants have a habit of creating a minimum order.  Also see what the shortest period you have to order the concrete is.  With it coming to spring time you need to account for the weather.\n\nFor reinforcing you'll need to find out how many square feet of welded wire mesh you'll need.  Then figure out how many rolls you'll need, you'll need to overlap it a bit at the edges.  Also account for something to keep the reinforcing off the ground, it does no good there.
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No. You'll need to get 1x1meg or 2x1meg or 2x512k depends what you want to do.\n\nI have 2x512 if you want them? Message me through 360. £20 for them both plus postage.
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Both will work.The concentrated will work much faster.!00% being strongest and 0 being weakest.
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Check on the internet for the ratios used by comercial factories, then prepare a solution from glycol and water in the given proportion. That's all!!!
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Use a calculator and raise it to the 1/3 power.\nDon't try to do it by hand...